Vic has 40 marbles, all are either yellow or blue. He gives half his yellow marbles to mark. After this Vic has 27 marbles left. How many blue marbles does he have?

Lisa used 10 centimeters of tape to wrap 5 presents. How many presents did Lisa wrap if she used 34 centimeters of tape? Assume the relationship is directly proportional.

Which system will have an infinite number of solutions? A. -4y = - 6x + 8 y=3/2x-2 B. -4x + 5y = 8 5y = - 4x + 6 C. -2x + 4y = 3 y=1/2x+6 D. 2x - 6y = 9 5y = - 4x + 6

Whats 1+1-2 times 3 + 4 - 2

Choose the best description for the real number square root of 35. Irrational, because it is not a terminating or repeating decimal Irrational, because it is a repeating decimal Rational, because it is not a terminating or repeating decimal

How do I solve a system of equation? Can someone explain it to me? For example: x - y = 4 2x + y = 5

Every economic decision has only positive benefits. gained opportunities. unavoidable limitations. a consequence or tradeoff.

Choose the correct description of the graph of the compound inequality x - 3 14 A number line with a closed circle on - 8, shading to the left, and an open circle on 9, shading to the right.

Verify if f (x) = 1/2x-2 (and g (x)) = 2x + 4 are inverses.

Are 1/3 and 5/12 equivalent

Sally spent half of her allowance going to the movies. She washed the family car and earned 9 dollars. What is her weekly allowance if she ended with 12 dollars