Answer:
16
Step-by-step explanation:
Step-by-step explanation:
step one: *multiply the negative 9 with the 5j.
which which will come out to be -45j
step 2: now now multiply the -9 with the k. which it comes out to be negative 9k.
step 3: -45j + -9k
A) the angle is 105 because its supplemental with the 75 degree angle
B) the angle's 75 because the given 75 degree angle is correspondant
C) 105 again because they are supplemental
