Find the difference between 3/4 and 1/28

20/28 is your answer

Step-by-step explanation:

First, find a common denominator. Note that what you do to the denominator, you must do to the numerator.

Multiply 7 to both numerator & denominator of 3/4

(3/4)(7/7) = 21/28

Subtract:

(21/28) - (1/28) = 20/28

20/28 is your answer

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b

step-by-step explanation:

1. 16.64

a^2+b^2=c^2

pr^2=pq^2+qr^2

pr^2=14^2+ 9^2

pr^2=196+81

pr= sqr root of 277

16.64

2. 11.31

c^2-a^2=b^2

18^2- 14^2=b^2

b^2=324-196

b=sqr root of 126

b=11.31

hope it ! (btw im in connections academy to, good luck! )