Sue reads 40 pages in 80 minutes. How long will it take her to read 210 pages

What is 3 ^9? how to solve?

Prove that sec^4 (x) = 1+2 tan^2 (x) + tan^4 (x)

Maths * Henry is mixing concrete. To make concrete he needs to mix cement, sand and gravel in the ratio 4 : 3 : 1 by weight. Henry needs to make 120kg of concrete. He has 55kg of cement, 45kg of sand and 15kg of gravel.

For your job you need to track the amount of time you spend on each project and your total time. For Project A, you spend 1 hour and 25 minutes. For Project B, you spend 45 minutes. How many total minutes did you spend on the two projects combined

Standard form of 5x+15y=75

Dr. Barber ordered 121 syringes and 53 needles. In total, how many items did Dr. Barber ordered

Jaime wants to know how fast she can type, so she times herself as she types a paper. The paper has 442 words in it, and Jaime types it in 13 minutes. What is her typing rate, in words per minute?

How can one fourthx - 3 = one halfx + 8 be set up as a system of equations?

Chris invests $2,200 into three accounts that pay 6%, 8% and 9% in annual interest. He has three times as much invested at 9% as he does at 6%. If his total interest for the year is $178, how much is invested at each rate?

If AC = 12 and BC = 13, find AB.