A bag contains purple marbles and blue marbles, 8 in total. The number of purple marbles is 7 less than 2 times the number of blue marbles. How many purple marbles are there?

Choose what the expression below best represents within the context of the word probpem. the sum of two consecutive odd integers eauals 12. what are they? x represents a. the smaller or b. the bigger

Y=x^2 - 1 is proportional or not

Solve the following equation for y: Y-[-10 - 1 - 9] = [5 - 6 - 2]

The cone shown has a diameter of 18 meters and a slant height of 6 meters. Which choice is closest to the lateral surface area? Use 3.14 to approximate pi.

Carlos operates a helicopter. Carlos decides to measure the rotational velocity of the helicopter blades. What would be an appropriate unit for Carlos's purpose? a) meters/second b) degrees/square second c) degrees/second d) meters/square second

29yards 2foot 11inches+55yards 1foot 10inches+13yards 1foot 3inches=

Solve the equation 2/3x + 10 = 4/5x

Why do you subtract exponents when dividing powers with same base

14:100 in calculator notation

Solve the inequality 7 (x - 2) < - 5. x < 9/7 x > 9/7 x < - 9/7 x > - 9/7