A laptop computer costs an electronics store $1000. The store sells the computer for $1900. Calculate, correct to one decimal place, the profit made as a percentage of: (a) the cost price
(b) the selling price.

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5