7. Which best describes the meaning of the slope in the trend line equation? a. Customers waited an additional 70 seconds for every additional employee.
b. Customers waited 70 fewer seconds for every additional employee.
c. Customers waited an additional second for every 70 additional employees.
d. Customers waited 1 second fewer for every 70 additional employees


b is 38 degrees.

a is 52 degrees.

this is because if b is 38 and a is 14 degrees more than b than 38+14=52 and 52+38=90 degrees. hope this .

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step-by-step explanation:

b. hannah is playing with her cousin at

answer: cos [   arcsin (3/5) - arccos (1/2) ] =

step-by-step explanation: × = 3/5 = 0.6--> x = 36.87 and x = 180 - 36.87 = 143.13 deg

cos y = 1/2 --> y = +- 60 deg a. cos (x - y) = cos (143.13 - 60) = cos 83,13  

=

0.12

b. cos (36.87 - 60) = cos (-23.23) = 0.92