Which expression is equivalent to is Measure of angle 4?

A. Measure of angle 2 + measure of angle 3
B. Measure of angle 1 + measure of angle 2
C. Measure of angle 1 + measure of angle 3
D. Measure of angle 5 + measure of angle 6

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

The table above shows approximate conversions from gallons to liters. what is the value of x?

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years