If two angles are supplementary and congruent the measure of each angle is 90 degrees true or false?

If a polygon has six sides, then it is a hexagon. true or false.

For a particular diamond mine, 78% of the diamonds fail to qualify as "gemstone grade". A random sample of 106 diamonds is analyzed. Find the mean μ.

What is the best exact approximation for the circumference of a circle with a radius of 125 m

Devon worked for Mr. greene on four days last week. He was paid a total of $120 for the four days of work. If he worked 2 hours each day how much money was Devin paid each hour

If area of a square is 121 cm2 what is side length

Simplify: 3 (2x+-10) - 8

For numbers 10a-10b use place value to find the product 3x600=3*_hundreds

Which of the following cultural regions is correctly matched to its location and primary language? A) Mexico; North america; spanish B) United States; North America; Spanish c) United States; South America; English D) Mexico; South america; English

An 8 inch by 6 inch rectangle is the base of the rectangular prism below. What is the lateral area of the figure?

How doi find the zeros from a function and going to intercept form