Answer:
40° or feet
Step-by-step explanation:
(a) SSS
.........................
x = 4
10(x - 1) = 8x - 2
10x - 10 = 8x - 2
10x = 8x + 8
2x = 8
f(4) = 11
To evaluate f(4) substitute x = 4 into f(x)
f(4) = 3(4) - 1 = 12 - 1 = 11
0.3125
5/16 as a fraction