8m-6n if n = - 7 and n = - 6

what is the estimate of 33% of 119

If I run 6.4 miles at a speed of 4 miles per. How many hours have I ran?

An education center offers a total of 400 math, physics and chemistry courses. The ratio of the number of math to physics to chemistry courses is 3:4:3. The cost of a math class is $25 per class and the cost of a physics class is $20 per class.

1/5 divided by 3 = what fraction

In a mid-size company, the distribution of the number of phone calls answered each day by each of the 12 receptionists is bell-shaped and has a mean of 37 and a standard deviation of 9.

Which is greater 64 inches or 5 feet

Wo students, Ann and Max, factored the trinomial 4x2 - 6x - 4. Ann factored it as 2 (x - 2) (2x + 1) and Max factored it as (x - 2) (4x + 2). Indicate which student factored the trinomial completely and which student did not, and explain why.

Find the range of the following data. Scores:90.89,87,79,89,84,80,85,85,79

The distance across the center of a hula-hoop is 2 feet. How much plastic is needed to make the hula-hoop? Keep your answer in terms of pi.

Two numbers add to 336 and the first is 124 bigger than the second. What are the two numbers?