If 5 + b = 3 and a - b = 7 , then which of the following is true? 2a + b = 8
2a - 2b - 12
a - 2b = 11
2(a - b) = 6

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

Which of the following parabolas opens down?

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.