Question 1

Evaluate each expression.
a. 1/2(5+13)-4.5
b.(5+11)-(24-15)•(3)
c.6²+3•7-9÷3

Question 2

$\qquad\qquad\huge\underline{{\sf Answer}}♫$

Let's solve ~

$\qquad \sf  \dashrightarrow \: (1)/(2) (5 + 13) - 4.5$

$\qquad \sf  \dashrightarrow \: (1)/(2) (18) - 4.5$

$\qquad \sf  \dashrightarrow \: 9 - 4.5$

$\qquad \sf  \dashrightarrow \:4.5$

$\qquad \sf  \dashrightarrow \:(5 + 11) - (24 - 15) * 3$

$\qquad \sf  \dashrightarrow \:16 - (9 * 3)$

$\qquad \sf  \dashrightarrow \:16 - 27$

$\qquad \sf  \dashrightarrow \: - 11$

$\qquad \sf  \dashrightarrow \: {6}^(2) + (3 * 7) - (9 / 3)$

$\qquad \sf  \dashrightarrow \:36 + 21 - 3$

$\qquad \sf  \dashrightarrow \:57 - 3$

$\qquad \sf  \dashrightarrow \:54$

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