Multiply and remove all perfect squares from inside the square roots. Assume x is positive. 2 squareroot 7x*3 squareroot 14x^2

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%