How do you check your work for solving two step equations? use this as an example: -17 + b/8 = 13

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

29.5977692753

step-by-step explanation:

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value

you save $70

discount would be 35% off

step-by-step explanation: