Emily is 17 because if you divide 26 by 2 and get 13 then add 4 to it to get 17 then grace would also 9 years old.
8'200×.80= 6'560
8'200-6'560= 1'640
He lost $1640
Answer:
Step-by-step explanation:
Area of polygon = Area of square + Area of triangle

You can multiply opposite sides, like so:
y*7 = 8*3
7y = 24
y = 24/7
Answer:
The hight length : h
The base length : a
Apply the Pythagorean theorem in the right triangle :
h² = 13² - (10/2) = 144
h = √144 = 12 cm
S = (a x h)/ 2 = ( 10 x 12 )/2 = 60 cm²
Step-by-step explanation: