During a relay, Natasha swam 0.8 km and Kevin swam 500 m. How many meters did they swim in total?

Alex is mailing an envelope that weighs 0.346 pound. What is the weight of the envelope rounded to the nearest hundredth

A rectangle is 8cm long and 6 cm wide. What is the perimeter

If f (x) + = x-1, g (x) = x^2 - 1, an h (x) = x^2+1 find h (f (x))

Zeke bought a $2,300 bobsled on the installment plan. He made a $450 down payment, and he has to make monthly payments of $93.50 for the next two years. How much total interest will he pay?

if x represents the first, or smaller, of two consecutive even integers, express the sum of the two integers in terms of x

Translate the percent word problem in a equation: If 5 is increased to 8, the increase is what percent of the original number?

Explain the difference between 4 times the sum of x and y and the sum of 4 times x and u

Assume that 140 surveys are completed. Of those surveyed, 71 responded positively to effectiveness, 60 responded positively to side effects, and 65 responded positively to cost.

For the first 4 years of a pig's life, the weight w (in kilograms) of the pig approximately fits the formula w (t) = 2 + 14t, where t is the age of the pig in years.

What is the quotient of b/6a and ab/18?