There are 15 black marbles and 11 blue marbles. What is the ratio of black marbles to blue marbles?

What is 3x - 12 = 3? Anybody have any clue on how to solve this problem?

1 + 69 - (6x+4) x 2 = ?

What is the main purpose of the cilia or flagella characteristic of some protists?

What is the sign of the product? (0.3) (-9.2) (-8.1) (4.2) (-0.8) A. negative B. positive

4g=36 how can you solve that equation

If 80% of scheduled flights actually take place and cancellations are independent events, what is the probability that 3 separate flights will take place?

What is another way to express 64? A) 3 ^4 B) 6 ^4 C) 6.4 x 10^2 D) 8^2

Which values, when placed in the box, would result in a system of equations with no solution? Check all that apply. y = - 2x + 4 6x + 3y = A: - 12 B: - 4 C: 0 D: 4 E: 12

During a trip, Francine traveled x percent of the total distance at an average speed of 40 miles per hour and the rest of the distance at an average speed of 60 miles per hour. In terms of x, what was Francine's average speed for the entire trip? A.

You are planning a huge graduation party for your son. You decide to offer both a beef and a chicken meal at the party. The chicken dish costs $5, and the beef dish costs $7.