How to write 'the sum of z and 7' in an algebric expression?

Pheneg-Xu drinks 1 cup of milk every day. how many gallons does he drink each week.

What is the sign of-5*-1/-2

if the base area of a cylinder is 153.86 square centimeters and the height is 5 centimeters determine the volume of the cylinder

Solve the following equation 3x-5=x+12

Brianna is graphing the function f (x) = x^2+6x+5. what x intercepts should brianna use to graph f (x)

Ms. Willer wanted to donate 27 cans of food to each of 8 food banks. Each of the 23 students donated 9 cans. How many more cans does Ms. Willer need? Explain

Julissa is running a 10-kilometer race at a constant pace. After running for 18 minutes, she completes 2 kilometers. After running for 54 minutes, she completes 6 kilometers.

Walter buys a bus pass for $30. Everytime he rides the bus, money is deducted from the value of the pass. He rode 12 times and $24 was deducted from the value of the pass. How much does each bus ride cost?

Planet Krypton has 2 times the radius and 2 times the mass of the Earth. What is the best estimate for the magnitude of the gravitational field at the surface of planet Krypton in m/s2? A. 20m/s^2 B. 10m/s^2 C. 5m/s^2 D. 2.5m/s^2

The wacky widget company is planning to produce widgets. The company has rented space for its manufacturing operation at 4,000 per month. Each widget requires $32 worth or materials and $44 worth of labor.