What is -3/7 + 5/2
can someone answer this in need
on this question

Step-by-step explanation:

Before adding the fractions we require them to have a common denominator.

multiply the numerator/denominator of the first faction by 2 and the numerator/denominator of the second fraction by 7, that is

- +

= - +

Now add the numerators leaving the denominator

= = = 2

a

step-by-step explanation:

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk