Carmine paid an electrician x dollars per hour for 5-hour job plus 70 for parts the total was 320 write an equation that can be used to deter men the charge per hour

Solve the polynomial 20x² + 10x² - 5

Simplify the following expression - 5[ (x^3+1) (x+4) ] A.) x^4+x^3+4x B.) - 5x^4-20x^3-5x-20 C.) - 5x^4+20x^3-5 D.) x^4+4x^3+x+4

The sale price of an item is $180 after a 25% discount is applied. What is the original price of the item?

Lucia bought a table and some chairs at a furniture store. The equation that models this situation is y = 40x + 55, where y is the amount of money she spent and x is the number of chairs she bought.

11. The entry fee to the fair is $4. Each ride requires a ticket that costs $0.50. Heidi spent a total of $12 at the fair. How many ride tickets did she purchase?

The width of a rectangle is 3/8 the length x of the rectangle. What is the perimeter of the rectangle?

Victor went for 1 run lats week. it was 3.5 km long. terrell went for 3 runs last week. each run was 1,250m long. wich person ran a greater total distance last week

In quadrilateral ABCD, the measure of angle A is half the sum of the measures of the other angles. What is the measure of angle A? Express your answer to the nearest integer.

1/2 cup of milk per 2 cups of flour. Find the unit rate.

Line L has an undefined slope. Line M is perpendicular to line L. Which of the following could be the equation of line M? A) x = y B) y = 7 C) x = - 3 D) xy = 4