X% of 56 = 42 what is X

What is the solution to (3 x 10^2) x (5 x 10^5) written in scientific notation? A: 1.5x10^8 B: 16x10^8 c: 1.5x10^7 D: 15x10^7

the regular price of a shirt is $15 natalie bought it on a sale for 0.9 times then the sale price was multiplied by 1.06 to include tax

Estimate the solution to the system of equations y=-2x-5 and y=2x-2

Do you have a sample of read, draw and write problems for 4th grade math to review for a test?

A store pays two fees when a customer uses a credit card to make a purchase. These fees include • A flat fee of $0.25 and • A processing fee equal to 2.75% of the dollar amount of the purchase There is no sales tax on the purchase.

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.