Elga's age = x
Alvin's age = x + 7
x + x + 7 = 97.
Simplify the left side of the equation
2x + 7 = 97.
Subtract 7 from each side
2x = 90.
Divide each side by 2
x = 45
Since x is equal to Elga's age, Elga is 45 years old
Yes, because to be in congruent with something means to have the same shape and size.
Hope this helps!
Answer:
2.4
Step-by-step explanation:
Answer:
40%
Step-by-step explanation:
1299-725= 574
574/1299 x 100 = 44.19%
Answer:
48
Step-by-step explanation:
You can use a graphing calculator like desmos or draw your own graph to figure this out. Start by graphing each of those points. Then count the width and height. Multiply them to get the area. The width and height of the rectangle were 6 and 8, so the area is 48