The measure of the angles of an isosceles triangle are in the ratio of 9:9:6. What is the measure of the base angle

What is the standard form of -5x^2+2x^4-11+x^3+3x

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

Which of these angles are complementary? a. 45o and 45o b. 63o and 117o c. 45o and 135o d. 90o and 45o