Estimate how many 12-inch rulers will be about the same length as a teacher's desk

The mean weight of females in a class is 60kg and that of the males is 72kg. If the mean weight of the class is 68kg, what is the ratio of females to males in the class?

A college has 9 more english instructors than math instructors. if the total number of English and math instructors is 57, find the number of english instructors and the number of math instructors.

When building a house you have a choice of seven different floor plans two different exteriors and two different types of flooring how many choices are there for one house A7 B28 C4 D14

What is 5.378 E9 in standard form?

The quotient of a number and - 5 increased by 1 is at most 7

Find the range of the given data set. 55, 57, 39, 72, 46, 53, 81

What is 5+66+687/349?

the expression 2 * L + W equals the perimeter of the rectangle write an equivalent expression using the distributive property

Expand the polynomial (x2 - y2) 2 + (2xy) 2, then simplify it by combining like terms.

Square root of 45 rounded to 0.05