If two numbers have the same sign, then their sum is always positive.

A zookeeper predicted the weight of a new baby elephant to be 253 pounds when it was born. The elephant actually weighed 285 pounds at birth. What was the percent error of the zookeeper's prediction? A. 88.77% B. 11.23% C. 12.65% D. 32%

A large university is interested in the outcome of a course standardization process. They have taken a random sample of 100 student grades, across all instructors. The grades represent the proportion of problems answered correctly on a midterm exam.

55.5 as a mixed number

Find the experimental probability of rolling a 4

Last winter in the northeast the temperature was 3 degrees Fahrenheit at midnight it dropped 7 degrees every hour for 2 hours and then rose 4 degrees every hour after that what was the temperature at noon?

How do you simplify 3/2 over 1

If my expression is - 12y + 90=-8 what is y?

The price, s, of a mountain bike at Speed Cycling is $290 less than twice the price, d, of the same bike at Downhill Racing. The difference in price between the bike at Speed Cycling and Downhill Racing is $304.

Length is 32 and breadth is 32 find the square of the Square Garden

Solve the following one step equations a - 18 = - 3 5n = 35 3/5a = 15