What is the sum of the polynomials?

(m + n + 3) + (m + n + 4)

N ΔXYZ, XY = 6.32, YZ = 5.83, and XZ = 11.05. What is m∠Y, correct to one decimal place?

What is the average speed in kilometers per hour of a horse that gallops a distance of 15 km in a time of 30 min?

How do i solve the expression 140 - (13 - 3) to the power of 2 + 3 * 2 to the power of 3

A recent study determined that of every 1,000 americans age 65 or older, 269 have been diagnosed with diabetes. it is estimated that there will be about 55 million americans in this age group in 2020.

How do you make 1 1-2/1-6-7/8 a mixed number

The square root of a 100 is it a whole number or natural number

How do u expand 500,000

How does the volume of a sphere with radius 2cm compare to the volume of a sphere with radius 1cm

6 yards to 36 yards. Find the percent of change. Round to the nearest tenth of a percent if necessary.

Mark, evan, and cayla are playing a game. there are 3 blue marbles, 2 red, and 1 green marble. if mark pulls a blue marble he gets $1. if evan pulls a red marble, he gets a $2. if cayla pulls a green marble, she gets $3.