Which of the following ordered pairs is a solution of x + 1/2 y = 1? (2, -6)
(-2, 6)
(-2, -6)

Given abcd ac=38 and ae=3x+4 find the value of x

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9