Answer:
Step-by-step explanation:
x² + 4x - 1 - x =x² + 4x -x - 1 { bring the like terms together and add}
= x² + 3x - 1
All you really have to do is find the measure of angle T - if T=R then when you find the measure of T then it will also = R
Answer:
Perimeter is a length of a figure's borders.
Pabc = a+b+c
Area shows the 'size' of the figure.
Sabc = 1/2*a*b*Sin(alpha) or 1/2*a*h or sqrt((half perimeter * a)(half perimeter * b)(half perimeter * c))
She can skip about 15 days because it takes 15 days to make 1 blanket, and 15*3=45; 60-45=15
