Solve the system by substitution.
-Y = x
-7x – 5y = –20

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

What is the equivalent fraction for the following fraction using 5 as the multiplier? 1/2

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.)