Answer:

Given:
Length = 8 feet
Width = (7 + x) feet
To find;
Area of the rectangle
Step-by-step explanation:

The answer in this picture is B(143)
Answer:
accounting=30, economics=15, only one=35
Step-by-step explanation:
a=2e
5 both
10 neither
40=a+e-5
45=a+e
45=2e+e
e=15
a=2e
a=30
f
Answer:

Step-by-step explanation:
Given
See attachment
Required
Find RST
To do this, we use:
--- angle on a straight line
Make RST the subject


<em>Hence, the measure of RST is 144</em>
Answer:
19/20
Step-by-step explanation:
20 is the total number of people (the denominator) and 19 is the amount of people able to pay card (the numerator)