Measure 2 sides, then multiply them, and divide by 2.
Distribute proporty
a(b+c)=ab+ac
3=a
b=40
c=7
3(40+7)=3*40+3*7
<span><span>12</span>-<span>105</span>-5 = -<span>132</span> = -6<span>12</span> = -6.5 that is the answer i think check it but i think its right</span>
Answer:
x^2+11x+30
Step-by-step explanation:
