change 1/3 to 9/21 and 3/7 to 9/21 bc they are common factors. add 9/21+9/21 and get 18/21 and then simplify by 3 to get 6/7.
Answer:
7
Step-by-step explanation:
b. She paid $30 for each chair.
4
Pythagorean Theorem
a^2+b^2=c^2
C is the hyptonuse A and B are legs.
a^2+3^2=5^2
a^2+9=25
a^2=16
a= sqrt16
a=4
Hope this helps!
43
