Answer:
Step-by-step explanation:
h^2=x^2+y^2, here x and y are equal so we can say
h^2=2x^2, we see that h=2(2^(1/2)) so
2x^2=8
x^2=4
x=2
11 because 275÷25 is 11. 11 calculators would cost 275 in total
80x70= y and then 400 - y= your answer! Ignore the four in. Deep part
Draw two lines that connect at one point. label where they connect w and the other two ends j