Question

DO IT FAST plz i will MARK you BRAINLIEST ANSWER ​

Answer 1

Answer:

$a = 13 \: \: \: \: \: \: \: \: \: b = 38$

Step-by-step explanation:

$4a + 18 = 70 \\ \\ 4a = 70 - 18 \\ \\ 4a = 52 \\ \\ a = 13 \\ \\ \\ \\ 2a + 12 = b \\ \\ b = 2 \times 13 + 12 \\ \\ b = 26 + 12 \\ \\ b = 38 \: \: \:$

Answer 2

Answer:

a = 3°

b= 110°

Step-by-step explanation:

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