Pauline calculated 7.2×28.63 describe 2 ways that Pauline could check her calculator then tell whether her calculation is correct or incorrect

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

c - they will have the same distribution

step-by-step explanation:

this is the only one that could make sense. : )