Find the equation of the line through point (5, 1) and perpendicular to 5x - y = -3

What is the solution of sqrt x+2-15=-3

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

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?