The senior class wants to order senior class shirts. The table shows the number of shirts ordered and the total cost of the order. Use the table
below to find an equation that best represents y, the total cost of an
order as a function of the number of shirts ordered.

O y 13x + 26
O y 6.5x26
O y 13x12
O y 6.5x+12

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step-by-step explanation:

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

t

step-by-step explanation:

ever thing time 1 is a multiply by 1 it get