A professor has recorded exam grades for 10 students in his class, but one of the grades is no longer readable. If the mean score on the exam was 82 and the mean of the 9 readable scores is 86 , what is the value of the unreadable score?

WHIch of the following numbers must be added to complete the square in the equation below x2-13x+4=17

Pyramid 3m by 2 mhigh what is area of shape

If 100% of something is 200, what do you think 110% is? Explain your answer.

Definition of multiple?

What is the g? -15 - g/3 = - 5

Lisa is loading 75 chairs into a truck. If h represents the number of chairs that she can carry in one load, which expression represents the total number of loads needed to move all the chairs?

Bruce wants to make sure that each tiger at the zoo has 1,000 square feet of space. He wants to write an equation to represent the relationship between the number of tigers, t, and the number of square feet of space, f.

What is 120 times 250

The circumference of the earth is approximately 24,901 miles. The circumference of the earth's moon is about 72.76% smaller than the earth's circumference. What is the approximate radius of the earth's moon? A. 1,079.55 miles B. 6,783.03 miles c.

What greater than. 375?