PLEASE I NEED HELP! I WILL FAIL MATH THIS IS MY WHOLE LIFE : G is the center of gravity of a triangle
ABC and A ′ is the midpoint of BC and L is the center of gravity of (A, −1), (B, 2), and (C, 2).
1. Show that 4LA ′ = LA. Solve for L
2. Prove that L and G are symmetric relative to A'.

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance

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.

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2