The trombone is 30 inches long. The trumpet is 10 inches shorter than the trombone and 10 inches longer than the harmonica. How long is the harmonica?

The diagram shows a rectangle. 0.5 cm 7 cm. Four of these rectangles are put together as shown. Calculate the shaded area

Given the equation: 4 (x - 3) = 20 Identify the reason for each step in solving the equation. 1st Step: 4x - 12 = 20 Reason: 2nd Step: 4x - 12 + 12 = 20 + 12 " 4x = 32 Reason: 3rd Step: 4x : 4 = 32 : 4 " x = 8

A shop has a sale that offers 20% off all prices. On the final day they reduce all the sale prices by 25%. Linz buys a radio on the final day. Work out the overall percentage reduction on the price of the radio.

What is the simplified product (2x) (x2) (2x) (x) (2x) (-2) (3) (x2) (3) (x) (3) (-2)

How do you write 248.3% as a decimal?

3. A car dealer has 395 cars on the lot. Of these cars, about 15% are red. Which is the best estimate of the number of red cars on the lot? A. B. C. D. 40 60 70 80

Hamburgers cost three dollars and hotdogs cost two dollars the total cost of buying be burgers and D hotdogs can be expressed by C equals 3B plus 2-D how can this equation be solved for D A) d = C-3b/2 B) d = C - 3/2b C) d = B - 3C/2 D) d = C-b

Find the quotient 5 divided by 7/8

An airplane can ascend at a rate of 52 1/2 meters in 2/3 of a second how many meters can the airplane ascend in one second

What is each number in scientific notation 0.00037 0.00000037 0.00003117?