The combined age of john and mary is 20 years. in 2 years, john will be five times as old as mary. how old is john at this time?

Jessie deposited 2,500 into a saving account that pays 3% simple interest per year. How much interest does she earn per year on the investment

Pete Bought 307.12 square feet of carpeting for 1316 dollars about how much does the carpet cost per square foot

The expression two square root of three minus square root of 27 is equivalent to

When angles complementary, the sum of their mesures is 90 degrees. Two complementary angles have measures of 2x-10 degrees and 3x-10 degrees. Find the measures of each angle.

Write the equation x = - 2/7y + 3/4 in standard form

435 rounded to the nearest hundred

Daniel is six feet tall and casts a shadow of 3.5 feet long. If his daughter is four feet tall, how long will her shadow be? a) 1.9 b) 5.3 c) 2.3 (the 3 has a line - above it btw) d) 4.5

Which is the approximate solution to the system y = 0.5x + 3.5 and y = - x + shown on the graph? (-2.7, 2.1) (-2.1, 2.7) (2.1, 2.7) (2.7, 2.1)

Julie is sewing the costumes for the school play. She needs to make fifteen bows. Each bow uses 3/4 of a yard of ribbon. Julie has 9 yards of ribbon. Does she have enough ribbon for the costumes?

How do I describe the shape of a histogram?