If -8 is 10 units away from 8, would -8 and 8 be opposites?

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain

Піf x = y and y= z, which statement must be true? оа. -x = -2 b. x= z ос. —x = 2 od. 2= x