What is a constant of proportionality

What is the solution to this equation? 3x-3 = 15

The range of the function f (x) = x+5 is {7,9}. What is the functions domain? Is it {2,4} {-2,-4} {12,14} {-12,14} {0,5}

Sal is tiling his entryway. The floor plan is drawn on a unit grid. Each unit length represents 1 foot. Tile costs $2.25 per square foot. How much will Sal pay to tile his entryway?

8 times a number is greater than 64

Find a cofunction with the same value as tan pi/7

Classify the following triangle as acute, obtuse, or right. 30° 249 126

The function f (x) = x? has been translated 9 units up and 4 units to the right to form the function g (x). Which represents g (x) ? g (x) = (x + 9) 2 + g (x) = (x + 9) 2 - g (x) = (x - 4) 2 + • g (x) = (x + 4) 2 + 9

Joey and Alex have been assigned art projects. Joey plans on creating his piece on a square canvas that has 12 inch sides. Alex is going to use a rectangular canvas that has the same area as Joey's and one side of the canvas is 8 inches.

How many different combinations are possible if a coin is tossed once and a number cube is tossed twice?

Assume that a set of test scores is normally distributed with a mean of 480 and a standard deviation of 20. What percentage of scores lies between 470 and 526?