How can I tell whether angles are congruent or not.

A college freshmen must take a science course, a humanities course and a mathematics course. If she may select any of 6 science courses, any of 4 humanities and any of 4 mathematics courses, how many ways can she arrange her program?

16% in simple form. y

A regulation-size women's basketball has a diameter of 9.07 inches. What is the surface area of the basketball? Use 3.14 for π and round to the nearest tenth. Using Pearson Realize, and it's been acting up recently.

2. AB and DE are parallel. Angle BAC = 30, angle CDE = 50. What is the measure of angle ACD? A. 100 B. 90 C. 80 D. 70 E. cannot be determined from the information

The circumference of circle 1 is 16 pi units. The circumference of circle 2 is 6 pi units. Which of the following is true about the area of the circles?

Give an example of a matrix which is its own inverse (that is, where A^-1 = A)

Which polynomial identity will prove that 64+27=91

In a certain elementary school, 52% of the students are girls. A sample of 65 students is drawn. Would it be unusual for more than 70% of them to be girls? Clearly explain your reason. (Note that your random variable is the sample proportion).

Colleen says she is thinking of a 4 digit number in which all the digits are the same the value of the digit in the hundreds place 200 describe the relationship between the values of the digits in the number

You have $37 when you get to the mall. You need to save $3 for bus fare to get back home. Which inequality represents the amount of money, m, you can spend? A. 37 - m > 3 B. 3 < m + 37 C. 37 - m ≥ 3 D. m ≤ 37 + 3