10) 17x-2=7x+8

11) solve the simultaneous equations 4x+3y=16

5x-y=1

12) solve - 3x-7 = - 1

The sum of the ages of Nicole and Rachel is 30. Currently Nicole is four years older than Rachel. How old is Rachel?

What is value of - x^2 - 4x - 11 if x = - 3

Which will have a greater effect on the volume of the prism: doubling the height or doubling the width? Explain your reasons.

Choose the correct answer for the amount of interest earned in the following simple interest problem. A deposit of $4,000 at 9.5% for 270 days

3/5 times 4 as a fraction

6,051 m = __km a. 0.6051 b. 6.051 c. 60.51 d. 605.1

Doug believes that the function y=6 is linear, while Olga believes that it is not linear. Who is right, and why? A Doug is right, because the function cannot be written in the form y = mx + b.

What is 4.27-1.29?

Which equation is 69 is greater than x

If x = 7, y = 1 and 2 = 1, then evaluate the following expression: X - y + z =