Solve the inequality and express your answer in interval notation x^2+8x-7<0

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

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