Solve the system of equations by elimination.

3x+4y=31

2x-4y=-6

A 12-ounce soda can is 5 inches tall and 2.5 inches across. How much soda can it hold if it is completely full? Round your answer to the nearest tenth of a cubic inch.

Kathleen can walk 5 miles 55 minutes. Jeff can walk 3 miles in 45 minutes. Which statement is true about how fast Kathleen and Jeff walk?

2,4,6,8 find the 36th term

Elyssa wants to find the future value of an investment of $18,000 that earns 6.07% compounded daily for 9 yeàrs

Ms. Marcus estimates that 330 people will attend the school play. There was an actual total of 400 people who attended the school play. Find the percent of error.?

Ella runs a cat rescue center. She started with 2 cats, and her center has an increase of 5 cats per year.

Round 2874992 to nearest 10000

Decide whether a discrete or continuous random variable is the best model for each of the following variables: (a) The time until a projectile returns to earth. (b) The number of times a transistor in a computer memory changes state in one operation.

The rquation of a citcle is x^2+y^2=16 what is the radius of the circle

BETH and Carley are selling candy bars to raise money for new cheer outfits. Beth has sold one less than twice the number of candy bars carely has sold. If they have 188 candy bars in all how many has Beth sold?