Answer:
Step-by-step explanation:
x² + 4x - 1 - x =x² + 4x -x - 1 { bring the like terms together and add}
= x² + 3x - 1
Answer:
6
Step-by-step explanation:
A line that passes through the point (x,y), with a y-intercept of b and a slope of m, can be represented by the equation
.
If a line has the slope of -0.5, then m=-0.5 and the equation of the line is

This line passes throughthe point (10,1), then the coordinates of this point satisfy the equation of the line:

and the equation of the line is

Since b=6, the y-intercept of the line is 6.
Log base 3 of 4 + log base 3 of 11= log base 3 of 4•11; Answers is 11
I believe the 4th one
an=145+an-1 and a1=20
Answer:
x-3
Step-by-step explanation:
x-3 x because we don't know the number of apples she has so you put a letter then -3 because 3 apples are given away