A function y (x) is increasing and has upward concavity on the interval [-2, 3]. Would a trapezoidal approximation result in an over - or under-estimation of ∫ 3 y (x) dx?

A student simplified a fraction to 2/5 by removing the common factors of 2 and 7. What was the original fraction?

Negative eight plus two x plus five plus elven x

What is 2.5% of 140?

Melody want to sell bags of mixed candy at her lemonade stand. She will mix chocolates pieces that cost $4.89 per bag with peanut butter pieces that cost 3.79 per bag to get a total of 25 bags of mixed candy.

A store has 20% off sale of pants. Whith this discount, the pricw of one pair of pants before tax is $15.20. What was the original price of the pants?

Choose a method then find the product of 35*10

If Alex feeds his turtle the same amount of food twice a day, how much food will he feed the turtle in a week?

Work out the balance for £720 invested for 4 years at 5% per annum

Four cards are dealt at random from a standard what is the likelihood that two are black and two are red

Bartolo is running a race. He determines that if he runs at an average speed of 15 feet/second, he can finish the race in 6 seconds. If he runs at an average speed of 18 feet/second, he can finish the race in 5 seconds.