PLEASE HELP!! Rationalize the denominator if the numerator is 7 and the denominator is Problem sqrt(7) - sqrt(3)

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w