7(7a-9)>84
first multiple out to get rid of the parentheses
49a - 63 > 84
add 63 to both sides
49a > 147
Divide by 49 and flip the sign because when you divide a inequality you have to flip the sign
a < 3
Answer:
Yes
Step-by-step explanation:
If you divide all the sides of the larger triangle by 3, it's equivalent to the sides of the smaller triangle. Therefore, they are similar.
This cannot be factored or factored by grouping.
