What is relations and functions really about?

I drove to the beach at a rate of 40 miles per hour. If I had driven at a rate of 30 miles per hour instead, then I would have arrived 20 minutes later. How many miles did I drive?

Use distributive property to rewrite 5 (x+4)

A dozen plain hats cost 3.60, what is the unit rate of a hat?

sally went to a clearance rack at the department store and found a shirt that she wanted to buy. the shirt was $36.00 and it was on sell for $ 24.00. what is the percent decrease

A rectangle has length 4 inches and width 3 inches. What is the area? 100pts

Each side of an equilateral triangle measures 9cm. Find the height, h, of the triangle.

Which equation represents a proportional relationship? A) y = 3x 4 B) y = 3 4x C) y = 3x 4 + 1 D) y = 3 4x + 1

1). Find the slope of the line: 8x+4y-16=8 2). Slope of a line perpendicular to the line: Y+4=4x+1

Solve for y. 3y - 12 = - 30? A - 6 B - 2 C 2 D 32

Prove the identity with steps. sin (x-y) / cos x sin y = tan x cot y - 1