Answer:
30 and 9
Step-by-step explanation:
x+y=39 , x-y=21
Solve for x:
x+y=39 , x-y=21
x= 30
Substitute x with 30:
(30)+y=39 , (30)-y=21
Solve for y:
y=9
Answer:
25
Step-by-step explanation:
because 25 times 2 is 50 and 25 times 3 is 75
hope I helped!!! ;)
Answer:
10
Step-by-step explanation:
Answer:
B .... just took test and got a 100
Step-by-step explanation:
Answer: 95 units squared
Step-by-step explanation:
Rectangle of 10*4=40
Rectangle of 5*7=35
Triangle of 4*10/2=20
40+20+35=95