Suppose you knew the age at inauguration of all the past u. s. presidents. could you use those data to make inferences about ages of past presidents? why or why not?

How I divide % percent's to any number

He price of an item has risen to$62 today. Yesterday it was $40. Find the percentage increase.

Find the average value have of the function h on the given interval. h (u) = (15 - 10u) - 1, [-1, 1]

Marco teaches music history to all of the banjo, bass, and violin students. All his classes have the same number of students.

what interest rate is needed to turn $2500 into $15,000 in 14 years if interest is compounded weekly?

A triangle has a base of 10 millimeters and a height of 9 millimeters. What is the area? ___square millimeters

Roland made a trip of 450 miles in 8 hrs. Before noon he averaged 60 miles per hr, and after noon he averaged 50 miles per hr. At what time did he begin his trip and when did he end?

How much is 35 ounces of apple sause if 40 ounces cost $2.80

A group of 6 students was asked how many hours did you watch television last week?' Here are there responses. 5,5,5,7,16,11 Find the mean number of hours for these students If necessary, round your answer to the nearest tenth.

Grant took $27.75 to the movies last friday. each ticket costs g dollars. write an expression to represent the amount of money grant had after he bought 3 tickets.