Evaluate the expression.

4x-5y x=-3 and y=2.

a. 22

b.-2

c. 2

d. - 22

Write 4.8 x 10^-3 as a ordinary number

Fifteen children voted for their favorite color. the votes for red and blue together were double the votes for green and yellow together. how did the children vote?

You need to solve a system of equations. You decide to use the elimination method. Which of these is not allowed? 3x-2y = 7 Equation 1 3x+4y = 17 Equation 2 A. Subtract equation 2 from equation 1. B.

Unit test Consider the polynomial function q (x) = _4^5+2x^4-3x^2+12x What is the end behavior of the graph of q?

Jessica rode 9 miles father than Roger rode. Let r represent the. number of mile Roger rode. Write an expression for the number of miles Jessica rode.

What does the graph of an equation reveal about the solutions to the equation? How do you solve a system of equations approximately using graphs and tables?

If the equation of a parabola is y = 7 (x-4) ^2+v and its vertex is (4,-2), what is the value of v in the equation

16+16= 32+32= 64+64= 128+128= 256+256=

The produce place sells cranberries in bulk for $2.40 a pound. The store also sells and 8 ounce package for $1.50. Which is the better buy? Show all work!

A pump discharges 278 gallons of water in 3.5 minutes. How long would it take to empty a container with 750 gallons? Round up to the nearest minute