What is the percent of increase from 50 to 90?

A.

40%

B.

44%

C.

56%

D.

80%

Why does it not matter what letter or symbol is used to find an unknown number?

Given cos A =.29 find the angle A in radians. Round your answer to the nearest hundredth. Answer 1.19 radians 1.28 radians 1.34 radians 1.46 radians

Two urs contain white balls and yellow balls. The first urn contains 2 white balls and 7 yellow balls and the second urn contains 3 white balls and 10 yellow balls. A ball is drawn at random from each um.

Can someone show me how to work out the problem 18.88 : 1.6

Simon used 3 pears and 9 apples to make a fruit salad. What is the ratio of the number of pears to the number of apples in the fruit salad

13,012 is divisible by 8 True or False

Helena is purchasing a house for $210000

A pen costs $1, and a jacket costs $199; both prices increase by $1. how do both increase, and what percentage that might represent. A - The pen increases by 100% and the jacket increases by 0.

90 is 37.5% of what number?

A sprinter can run 240 feet in 8 seconds whats the unit rate of feet per second