Easy: what is the surface area of the rectangular prism?
L times W times H= 3 cm times 2 cm times 4 cm

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)