What is an equivalent equation for 5a+15c+1000-6a+8.5c+500+250

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height