Find the ratio a:b, if it is given that ...

5a-3b=7b

A painter can be paid in two ways plan A $500 plus $45 per hour suppose the job takes n hours when will the plans pay the same amount

A bag contains purple marbles and red marbles, 55 in total. The number of purple marbles is 7 more than 5 times the number of red marbles. How many purple marbles are there?

Whats the area of a pallgroam

Simplify the radicals in the given expression: 8^3√a^4b^3c^2-14ab^3√ac^2 8ab√ac^2-14ab^3ac^2 8a^2ba^3√b-14abc^3a 8ab^3ac^2-14ab^3√ac^2 8a^2bc√b-14abc√a i've gotten the answer it is "8ab^3ac^2-14ab^3√ac^2"

The distance between Atlanta and Savannah, Georgia is 245 miles. The distance on a map is 3 1/2 inches. What is the scale of the map?

5 (x+8) + 3 simplify it

Kayla used 4/14 of her allowance to buy yogurt and 8/14 of her allowance to go skating. What fraction of her allowance does she have left? Explain your thinking.

Suppose, Gallup asks 2100 Japanese people whether Japan will be able to completely recover from the devastation of the recent earthquake/Tsunami and and that 67% believed in the affirmative.

Julie made $22, $55, $38, and $25 babysitting. How much did she make babysitting.

The value of 103 is between which two intergers?