Chan rows at a rate of 8 mph in still water. It takes him three hours to row upstream from his house to the park. He rows back home, and it takes him two hours. What is the speed of the current?

By 7:00PM, 1/3 of the junior class had arrived at a school dance. By 8:00PM, 30 more juniors had arrived, raising the attendance to 1/2 of the junior class. How many people are in the junior class? a. 30 b. 90 c. 120 d. 180 e. 140

Solve v²-8v-33=0 by factoring

This box can be packed with 48 unit cubes the edge length each unit cube is 1 meter what is the voume of the box

A sequence is defined by the recursive function f (n + 1) = 1/3f (n). If f (3) = 9, what is f (1) a) 1 b) 3 c) 27 d) 81

Kim is x years old. jordan is 7 year older than kim. four times jordans age is equal to 200 (A) write an equation that could be used to solve for kims age x

What is the answer to 3n + 3 = 27

The mean of 3 consecutive terms in an arithmetic sequence is 10, and the mean of their squares is 394. What is the largest of the 3 terms?

A race at travels at a rate of 205 mph how far would it travel in 3 hours?

What is 8/20 of an hour

An actor invests some money at 9 % simple interest, and $24,000 more than three times the amount at 10 % simple interest. The total annual interest earned from the investment is $38,670. How much did he invest at each amount? Use the six-step method.