Answer:
A = ((a+b)/2)h
Step-by-step explanation:
a and b are base (the top and bottom)
h is height
Answer:
218.25 seconds
Step-by-step explanation:
54.73
54.56
54.32
54.54
+_____
218.15
Answer:
Step-by-step explanation:
Let her brother's age be x
Sarah is 2x + 4
Is this a multiple choice question? If so what are the options?
My guess is 21