Answer:
7 - (-12) = 7 + 12 = 19
Step-by-step explanation:
- (-12) is a double negative which means that the minus signs cancel out causing it to to be a positive 12
5 is not the answer because 7 + 12 is 19
(x+3)(x+5) would be the factoring of it
Answer:
for second question
first length is 9cm
Area=l*b
= 9cm *9cm
=81<em><u>cm</u></em>
then, For semicircle
radius is 9 cm
area= 1/2*9cm
now , area of two semi circle = 2*1/2*9
= 9 cm
now area of shaded = 81-9
=72
Answer:
y=2x +1/2
Step-by-step explanation:
