Mark's brother is 5 years older than Mark. Their combined ages add up to 23. How old is Mark?

What is the volume of a rectangular prism with a length of 12ft, a width of 10ft, and a height of 18ft?

About how much more is 47.71 than 28.61

What is the relationship between the symbol and the word pi?

What set of values could be the side lengths of a 30-60-90 triangles

A flower shop received a total of 24 boxes of roses each box had red yellow and white roses there were 16 in each box the shop receive a total of 125 red roses and 112 yellow roses how many white rose to the shop receive

A circle has a radius of 7cm. find the radian measure of the central angle? that intercepts an arc of length 16cm.

54.4% of tickets sold to a movie are sold with a popcorn coupon, and 45.6% are not. You want to calculate the probability of selling exactly 6 tickets with popcorn coupons out of 10 total tickets (or 6 successes in 10 trials).

Arron just paid $7.40 for a new pair of sunglasses. His father told him that prices were different 10 years ago. Then his grandfather told him that 20 years ago, prices were even better.

A dump truck is careying 4250 pounds of gravel. There are 2000 pounds in a ton. Express the weight of the gravel in tons only by using a mixed number. If necessary, simplify the fraction part of the mixed number.

A marketing research company desires to know the mean consumption of milk per week among males over age 25. They believe that the milk consumption has a mean of 2.5 liters, and want to construct a 85% confidence interval with a maximum error of 0.