4200 is 20% of what number

A certain computer can perform 10^5 calculations per second. How many calculations can it perform in 10 seconds

If its area and base are 300 square centimeters and 20 centimeters respectively?

Simplify the expression 7y+3x+3-2y+6

Write the expression in factored form: 100m²-n4 power

If the regular price of a skateboard is $89 what is the discounted price

Last week we drove to drove to Detroit, at an average speed of 50 miles per hour, the trip took 4 1/2 hours. how far was it?

What number should be added to 95 to get a sum of 73

4 - (x+2) <-3 (x+4) A. X<-7 B. X>-7 C. X<-9 D. X>-9

Sue's bank account has a balance of $899.83 before she starts spending money. She makes the following transactions: Transaction Cost ($) Rent 353.76 Video game 32.79 Bike maintenance 60.26 Jacket 55.62 Rug 80.40 Night out 35.

A student's course grade is based on one midterm that counts as 20 % of his final grade, one class project that counts as 5 % of his final grade, a set of homework assignments that counts as 35 % of his final grade, and a final exam that counts as