5x^2+3x^2

Simplify the polynomial

Kali runs 10 laps around a track each day. Each lap around the track is 400 meters. How many will it take Kali to run a total of 12 kilometers

Simplify this expression (X-4) (x+3) (x-5)

How do I solve. - k - 5k = - 5k - 4

The weight of oranges growing in an orchard is normally distributed with a mean weight of 5 oz. and a standard deviation of 1 oz. Using the empirical rule, what percentage of the oranges from the orchard weigh between 3 oz. and 7 oz.?

The formula rt = d is used to calculate distance if you know the rate and time. What is the equation for finding the time when given the rate and distance?

12x11 a) 134 b) 132 c) 145 d) 100

Sierra's karate class lasts 56 days how many weeks does da class last

Joelle has $15.75. She spent $6.38 at the store. Which equation can be used to represent how much money, x, Joelle has left? A. 6.38x = 15.75 B. x + 15.75 = 6.38 C. x-6.38=15.75 D. x + 6.38 = 15.75

work out the circumference of this circle take pie to be 3.142and give your number to 1 decimal place and the radius is 11.2cm

A pet store sells puppies and kittens in the ratio 5 : 4. If their sales of puppies and kittens combined came to 27, how many puppies did they sell?