What is the Average Value of 7/10, 5/10, (-4/10), and (-2/10)? A. 3/5
B. 1/2
C. 3/20
D. -3/5
Please Help this is very confusing!

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by p(c)= -15c(c-8) what current will produce the maximum power?

Find the circumference of each circle. use 3.14 for . 15 cm 6 yd 2 m 13 ft. find the area of each circle. use 3.14 for t. 26 m 15 ft. 19 yd. 7.5 mm