Two angles are complementary. One angle is 57o. What is the other angle?

What is 4x + 8 = 16 is it true

What is 2/7 divided by 1/7

What is 3/8 + 1/6 equal when adding fractions

Maria needs to buy 12 wine glasses. write an expression of the cost of 12 glasses at p dollars each.

how do you solve the equation - 8-3+8 + (-3) and other questions of this structure, I got this from Kahn Academy: 7th grade math, adding and subtracting negative numbers

Your class is going on a field trip. Twenty-four students have turned in their permission slips so far. This is 80% of the students in class. How many students are in the class?

There are23tablesinthelibray. each table has 4chairs. Third graders fill the chairs at 3 tables. fourth graders fill the chairs at 6tables.

Jeremiah flies an airplane for 2.7 hours at an average speed of 304.6 miles per hour. How far did Jeremiah fly?

A triangle with sides 3, 5, and 9 is a right triangle. A triangle with sides 2 ft, 1.5 ft, and 2.5 ft. is a right triangle. If a right triangle has legs with length 12 and 5, find the hypotenuse.

Of the people who have taken their seats at a seminar, 2 have red hair, 5 have brown hair, 3 have grey hair, and 4 have black hair. What is the experimental probability that the next person to take a seat has red hair?