Anna makes $100 a week. She spends $70 a week and saves the rest. She is saving to buy a $240 sound system. How long will it take her to save the money?

A. 3 weeks

B. 4 weeks

C. 6 weeks

D. 8 weeks

What is Quadratic Equations, explain and give an example

Which expression is equivalent to 12x - 8x + 3 and why? 3 + 4x, because (12x - 8x) + 3 = 4x + 3 = 3 + 4x 7x, because 12x - 8x + 3 = 4x + 3 = 7x 12x - 5, because 12x - (8x - 3) = 12x - 5 x, because 12x - 8x + 3 = 12x - 11x = x

What is the reading on each of the scales?

Use your calculator to evaluate e^-2. Round your answer to three decimal places.

Susan made a deposit of $74 to her bank account she then had $192 in the account how much money was in the account before the deposit

What is this answer 2000 (0.085)

Which of the following is a unit rate?

7 Katalin drove 250 miles on her vacation. She drove an average of 1.3 times faster on the second 125 miles of her trip than she did on the first 125 miles of her trip.

Give me a definition on percentage

Simplify the question 18x - 6x + 2x