Can someone plz me i need a good grade on this math quiz! plz !

answer:   a = 13

step-by-step explanation:

since we are looking for the value of a that will make te triangle a right triangle , then it must follow pythagoras theorem:

+ =

collecting the like terms

= -

= 7225 - 7056

= 169

take the squarer root   of both sides

a = 13

fahrenheit

step-by-step explanation:

fahrenheit is more precise than celsius. the ambient temperature on most of the inhabited world ranges from -20 degrees fahrenheit to 110 degrees fahrenheit—a 130-degree range. on the celsius scale, that range is from -28.8 degrees to 43.3 degrees—a 72.1-degree range. this means that you can get a more exact measurement of the air temperature using fahrenheit because it uses almost twice the scale.

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