Mathematics

Lorelai Butler

26 March, 07:12

Question 1

Simplify.

14 - 6.2 • (-3 + - 7)

A) 76

B) - 48

C) - 78

D) 78

Question 2

Simplify.

-3 • 5 - 7 • 4

A) - 13

B) 13

C) - 43

D) 43

Question 3

Evaluate the expression when x = - 12.

3x - 17

A) 53

B) - 53

C) - 19

D) 19

Question 4

Evaluate the expression when x = - 8.

7x + 5

A) 4

B) 51

C) - 51

D) - 4

Question 5

Evaluate the expression when r = 8.2 and s = - 3.7.

r - 2s

A) 15.6

B) 0.8

C) - 22.94

D) 4.5