Question

Tony's test score average increased by 11 points this semester. Write a signed number to represent this change in average.

Answer 1

+11

Answer 2

A car corporation produced 1480 fewer cars this month than last.
Write a signed number to represent this month's change in production.

Answer 3

-1480

Answer 4

question 1# Leila lost 45 dollars from her pocket.
Write a signed number to represent this change.

Question 2# The temperature rose by 12 degrees Fahrenheit today. Write a signed number to represent this temperature change.

Answer 5

1# -45 (as the loss of money implies a negative change)

2# +12 (as the rise in temperature implies a positive change)

Answer 6

4(x + 6) - 6x

Answer 7

Expanding the expression:

4(x + 6) - 6x = 4x + 24 -6x

Combining like terms:

= (4x - 6x) + 24

= -2x + 24