Answer:
240
Step-by-step explanation:
you have to calculate the area of the triangle and the rectangle separately and add them.
Arec=bh
Arec= 20*10
Arec=200
Atri=1/2bh
Atri=1/2(20*4)
Atri=1/2(80)
Atri=40
TOTAL AREA =AREA OF THE TRIANGLE + AREA OF THE RECTANGLE
TOTAL AREA=200+40
TOTAL AREA=240
Answer:
17.5
Step-by-step explanation:
when y is 35 x is 140 so when x is 70 (divided 140 by 2) you also need to divide the y value by 2 so 35/2 is 17.5
Answer:
Expression 8 • 24 represents the total area.
Option A is correct.
Step-by-step explanation:
Width of living room = 8 ft
Length of living room = 24 ft
We need to calculate area:
The formula used is: 
Putting values to get the expression

So, Expression 8 • 24 represents the total area.
Option A is correct.
Answer:
$29.25
Step-by-step explanation:
For every 1 hour, Carey earns $9.75. Multiply $9.75 by 3 to find out how much she earns for 3 hours of work.
$9.75 × 3 = $29.25
Carey earns $29.25 for working 3 hours.