On my brother's 14th birthday, he was 160 cm tall. Within exactly one year, his height increased by 6%. How tall was he on his 15th birthday? Round your answer to the nearest cm.

A class of 25 students is trying to find the mean weight of the students in the class. If the sum of all the students' weights is 2,946 pounds, what is the mean weight rounded to the nearest pound? 110 pounds 117 pounds 118 pounds 125 pounds

Simplify. -12x+3-4x+5+3/2x

Find the sum of the first 7 terms for the geometric series: 1/3+1+3+9 + ...

Artrel thinks of a number between 1 and 20

In the accompanying diagram QRS is similar to LMN, RQ=30, QS=21 SR=27 and LN=7. What is the length of ML

Macy is making a border out of strips of wall boarder placed end to end along the 12-foot wall in her room. Each strip is foot long. How many strips of wall border will Macy need?

What is the square route of 20?

How long did it take Carson to travel 10 miles at 35 miles per hour? (round to the nearest whole number.)

Find the value of the given expression 1/2[4+6 (60 (-12)) ]

While rolling, a wheel with a diameter of 19/2 feet makes 133 revolutions. Find the distance that is traveled by the wheel. Use 22/7 for pi.