Repeat the checks for the following values of a: a = 1, a = –2 and a = 0. a: a =0 I don't know what this question means
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If a =6, what is the value of 2a(3b + 5c)?

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}