What is the value of blank in the equation shown?

7*9 = (7*10) - (7*blank)

Johnny has an average of an 88% on all his algebra exams

You travel to a city 200 km away in 2.5 hours. what is your average speed?

True Value received an invoice dated 4/15/12. The invoice had a $5,500 balance that included $300 freight. Terms were 4/10, 3/30, n/60. True Value pays the invoice on April 29. What amount does True Value pay?

The product of the square of and seven

If f (x) = |x - 5| 3, find f (2).

A city is in the shape of a rectangle. in 1995 the width of the city was 5 miles and the length of the city was 7 miles. the width of the city is growing at a rate of 1 mile in 8 years.

Compare how you would model and record finding the sum and difference of two rocks weighing 2/8 pound and 3/8 pound.

What is the least positive integer divisible by each of the first five composite numbers

The local chess club has 60 member. 24 of them are younger than twenty. what percent of members of the chess club are younger than 20

What is eighty three million twenty three thousand seven in standered form