Evaluate the following expression when x = 3 and y = 4: fraction with x squared plus y cubed in the numerator and 2 plus x in the denominator. a. 3.6 b. 8.6 c. 14.6 d. 21.6

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?

What is the measure of sty in oo below? 130 310 230 50

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?