Is 8x+9y=10 a direct variation

Triangle ABC and Triangle DEF are similar. For triangle ABC, AB = 2x, AC = 24 inches and BC = 20. For triangle DEF, EF = 5 and DF = x - 2. What is the value of x?

A) Find the square number 7 12 20 25 27 b) Find the cube number 7 12 20 25 27

An 8 by 19 ft wall has three 4 by 5 windows. the area of the entire wall [including the windows]

How do i use distributive property and mental math to find 5*198

If the sum of a number and three is doubled?, the result is seven less than the number. Find the number

What is the least common denominator of 7/x^2 7/5x explain

What is a random variable

You are making punch for a team party using 3 liquids. You combine 2gallons and 3 quarts of fruit punch, 1gallon and 2 quarts of pineapple juice, land 3 gallons and 3 quarts of orange juice.

store one is selling three notebooks for $5.13 store to is selling 5 notebooks for $8.40 store 3 7/8 notebooks for $14 in which store are the notebooks the cheapest

If 38 is added to 5/9 of a number, the result is 88. find the number. a) 10 b) 90 c) 50 d) 80