If i mow my neighbor's lawn, then i will earn $5. which of the following is a logically equivalent statement to the conditional statement above?

if i do not mow my neighbor's lawn, then i will not earn $5.
if i mow my neighbor's lawn, then i will not earn $5.
if i did not earn $5, then i did not mow my neighbor's lawn.
if i earned $5, then i mowed my neighbor's lawn

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.