Evan washes two types of vehicles. It takes him 30 minutes to wash a car and 40 minutes to wash a truck. He charges 12 dollars to wash a car and 15 dollars to wash a truck. In 270 minutes, Evan made 105 dollars washing cars and trucks. How many trucks did Evan wash?
Given the function f of x is equal to negative 5 start absolute value x plus 1 end absolute value plus 3 , for what values of x is f of x is equal to negative 12 ?
An amusement parks sells adult tickets for 18 dollars each and youth tickets for 12 dollars each. Kalila is using the inequality 18 x plus 12 y is less than or equal to 250 to find the combinations of tickets she can buy without exceeding her 250 dollars budget. The ordered pair open paren 4 comma 3 close paren is a solution of the inequality. What does open paren 4 comma 3 close paren represent?
If f of x is a linear function, what is the value of n ? x f of x 3 7 7 n 9 16 16 26 point 5
What is the sum of 12 minus 5 i and negative 3 plus 4 i ?
Which equation represents a graph with a vertex at open paren 1 comma negative 6 close paren ?
The product of a non-zero rational number and an irrational number can always be written as
Which system of equations is consistent and dependent?
A school choir has 36 members. This year, there are three times as many returning members as new members. How many new members are in the choir this year?
The profits in hundreds of dollars, cap p times c , that a company can make from a product is modeled by a function of the price, c , they charge for the product: cap p times c is equal to negative 20 c squared plus 320 c plus 5 comma 120 What is the maximum profit the company can make from the product?
Use the zero product property to find the solutions to the equation 2 x squared plus x minus 1 is equal to 2
Lionel computed the average rate of change in the depth of a pool over a two-week interval to be zero. Which statement must be true?
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