Arturo worked a 40 hour week at $12 per hour. He then received a raise of one dollar per hour and worked 830 hour week. How much more money did he receive for the first week of work than the second

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125