Question

At noon, the atmospheric pressure at a weather station was 763 mmHg. At 4 p.m., the atmospheric pressure had changed by 29 mmHg.

Which expressions could represent the atmospheric pressure at the weather station at 4 p.m.?

Choose two answers that are correct.

A.
(29 – 763) mmHg

B.
–(763 + 29) mmHg

C.
(763 – 29) mmHg


D.
(763 + 29) mmHg

Answer 1

d and a?

Answer 2

c and d

Answer 3

i need help with 2 more.

Answer 4

On Monday, David’s bank balance was $97. On Tuesday, his bank balance had changed by $56.

Which amount could be the correct amount in David’s bank balance on Tuesday?

A.
$163

B.
$56

C.
$41

D.
$9

Answer 5

i thought it was 41.

Answer 6

41