Simplify each expression completely.

1. 4 (-6) + 18 - 3^2

2. 10-7[3 + 2 (-8) ^2]

If the circumference of a circle is 319 meters, find the diameter

How to convert from grams to pounds?

Find the area of the given triangle. A triangle has a height of 15 feet and a base of 10 feet. Another side is 25 feet. The base (b) of the triangle is feet. The height (h) of the triangle is feet. The area of the triangle is square feet.

The smallest angle in a triangle is 1/5 as large as the largest angle. The third angle is twice the smallest angle. Find the three angles.

What is 25% of 400? ...

A rectangular box has length 14 inches, width 11 inches, and a height of 16 inches. find the angle between the diagonal of the box and the diagonal of its base. the angle should be measured in radians.

There are 20 children in a class, and 12 of the children are girls. Of the girls, 8 brought a lunchbox, and of the boys 6 did NOT bring a lunchbox.

4-2x divided by 5 plus 3 = 9

Divide. Give the quotient and remainder. 8:2,8218

Find the degree of the polynomial - 2 х2 + х + 2.