72 = r 90 Whats R in this equation

Kimberly wanted to buy a new cell phone that cost $599.95 she walked until they went on sale for 35% off. What is the discounted price of Kimberly's phone?

If you are 5.4 miles away from the lightning flash, how long will it take the sound of the thunder to reach you?

What is the solution to logs (10x-1) = logs (9x + 7) ?

Which description can be written as the expression 6 b + 5?

How do you turn a mix number into a fraction?

A club is making posters to raise money. the printer charges a base fee of $270 and $2 per poster for supplies. a person sells each poster for $5. how many posters must he sell to make profit of $300?

How to solve 3x-14+x+4+x

What is the probability that she gets exactly 4 or exactly 5 questions right?

Suppose you choose a marble from a bag containing 2 red marbles, 5 white marbles, and 3 blue marbles. You return the first marble to the bag and then choose again. Find P (red then blue)

12*5-9*4+14 + (54:3) - 8*2