Find the value of this expression if x=-7. x^2 - 1 / x+4

3 more than a number divided by 12 equals to 40, turn this phase into a algebraic equation.

Find the solution to the system of equations, x + 3y = 7 and 2x + 4y = 8. 1. Isolate x in the first equation: x = 7 - 3y2. Substitute the value for x into the second equation: 2 (7 - 3y) + 4y = 83.

If a 3 hats cost $24.30 how much would 1 cost

Nine less than the product of 6,8 and 2

James creates the table shown to represent the function ƒ (x) = x2 + 8x + 12. Determine the zero (s) of the function.

2³⁰+2³⁰+2³⁰+2³⁰+2³⁰ = ? what is the value?

How to identify the factors in the expression 6 (x+5)

Find the sum 12/13 + ( - 1/13)

Evaluate the expression, if x=4, y=9, and z=7. x (y + z - 3 squared)

Jade measured the height of an art frame as 5.23 feet, but the actual height was 6 feet. What is the percent of error in Jade's measurement? 12.83% 13.55% 14.72% 15.55%