Select the correct difference.

-3z 5 - (-7z 5)

-10z5

-4z5

4z5

4z

The Suarez family paid 15.75 for 3 movie tickets. How much money would they paid for 12 tickets

Solve this equation 5 (-7x-3) - 8x=-230

2 (a-b) - 3 (4a + 2b)

There for 32 volunteers to donate blood unfortunately n of the volunteers did not meet the health requirements so they could not donate.

At noon, the temperature of a container of ether was - 109⁰C. At 1 p. m., the temperature of the container of ether was - 34⁰C. What was the change in temperature from noon to 1 p. m.? ⁰C

Michael Johnson ran the men's 200-meter race in nineteen and thirty-two hundredths seconds. Which number shows the time?

Jack has a square garden in front of his house. The garden has an area of 66 square yards. Find the length of each side of the garden. Round your answer to the nearest tenth of a yard. 1. 8.2 yards 2. 8.1 yards 3. 8.3 yards 4. 8.4 yards

What values of a and b make the equation true square root of 648 equals square root of 2^a times 3^b

The length of a the hypotenuse of a 30°-60°-90° triangle is 9. Find the perimeter.

For a diffraction horn loudspeaker, sound emerges through a rectangular opening. The opening of a diffraction horn has a width of 0.12 m. If the speaker emits a continuous tone with a wavelength of 0.09 m, at what angle does the first minimum occur