Equation for this word problem:
“sadie is five years less than three times connor’s age. connor is 15. how old is sadie? ”

Connor is 15, so we multiply Connor's age by 3, because that's how old Sadie is, but -5.

So our answer comes out to 40.

Sadie is 40 years old.

Glad i could help, have a nice day <3

check the picture below.

well, the angle at the vertex d is clearly not a right-angle, let's check for the one at the vertex f which does look like,   however if it's indeed, that means ef is perpendicular to df, in which case their slopes will be negative reciprocal of each other.

so the negative reciprocal of the slope of ef is 1, however the slope of df is not 1, is 1/2, so nope, they're not perpendicular lines.

none of these

step-by-step explanation:

23 + 34 add up to 57 so just inform the teacher of this really stupid mistake