5a - 10b = 45, when b = 3?

A bathtub fills at a constant rate. the amount of water in the tub increases by 1/2 gallon evert 1/10 minute. what is the unit rate at which the tub fills?

John used 1 3/4 kg of salt to melt the ice on his sidewalk. He then used another 3 4/5 kg on the driveway. If he originally bought 10 kg of salt, how much does he have left? PS: Solve the problem using the RDW strategy. Show all of your work.

At 4:00 am the temperature was - 9 degrees f. at noon the temperature was 18 degrees f. what was the change in temperature

Vertical angles are always adjacent. True False

What is 2x + 5 = 15 - (-49) x 5

A Box is 16 inches tall, 10 inches wide and 10 inches long how many small boxes can fit inside

How do you expand 412.638 in decamil and expanded form

Trisha is selling lemonade at a fundraiser she bought 2 bag of cups each bag contained 90 cups and cost 3.60.

Consider to circular swimming pools. Pool A has a radius of 12 feet and Pool B has a diameter of 7.5 meters which pool has a greater circumference how much greater justify your answers

The sum of one fifth of a number and three is equal to half of the number. what is the number? A. 5. B. 10. C. 15 D. 20