21 squared + 19 squared equals H

Express 0.8211 in exponent form

Two integers are 38. find the two integers if the larger is 2 less than three times the smaller

Find n so that (4/5) ^3 * (4/5) ^-6 = (4/5) ^2n-1

What is numerical value?

The 5 horses on Miranda's farm each eat 20 pounds of feed per day. How many tons of feed do the horses in in 30 days

Joe berry and Jane rose received a total of $180,000 from a deceased relative's estate. They decided to put away $80,000 in a trust for their child and divide the remainder into 3/4 for Jane and 1/4 for joe. How much will Jane receive?

What is the vertex of y=x^2+2x-1?

Wholesale price $12.50. %Markup 78% what is the $Markup and retail sale price

The SAT mathematics scores in the state of Florida are approximately normally distributed with a mean of 500 and a standard deviation of 100.

The new pane will cost $91.00 plus an additional fee for installation. a local contractor charges $120 per hour for installation. if it only takes 45 minutes to replace the window, what will be the total cost?