Select all the correct answers. 2x
If the measure of angle 8 is 3, which statements are true?
The measure of the reference angle is 30°
o cos() = va
The measure of the reference angle is 45°.
o sin(8) = -1
O tan() = -13
The measure of the reference angle is 60°.

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave