Richard can do a job in eight hours that Randy needs 13 hours to do. If Brandon works four hours before Richard joins him how long does it take the two of them to finish the work?

Which prism has a volume of 6 cubic units? A prism has a length of 1 and one-half, height of 1, and width of 3. A prism has a length of 2, height of 1 and one-half, and width of 2.

A basketball that sold for $55 is discounted 15%. what is the sale price?

56 x 32 partial products

Given that sin0=21/29 what is the value cos 0 for 0°< 0<90°

Besides the fact of being positive and odd integers, what do 997 and 1003 have in common?

Determinati numarul b astfel incat : (4x8) ^15 : 4^5:2^6=2^b si 3^4x3^5x3^17=3^b

1/x=6/x+15, 20-x/x=6/4, and 4/12=x+2/2x+13

If a sample of 26 students is taken from a population of 135 students, the population variance, o?, is the variance of how many students' heights? O A. Neither 26 nor 135 B. Both 26 and 135 O c. 135 O D. 26

Robert collected 330 aluminum cans. If 100 aluminum cans weigh 4 pounds, and the recycling center is paying 25 cents a pound, how much will Robert be paid for his 330 cans?

A single box of thumb tacks weighed 3 1/2 ounces. If a teacher had 4 1/7 boxes, how much would their combined weight be