Answer:
A
Step-by-step explanation:
The equation of a line in point- slope form is
y - b = m(x - a)
where m is the slope and (a, b) a point on the line
here m = - 5 and (a, b) = (2, - 1), so
y - (- 1) = - 5(x - 2), that is
y + 1 = - 5(x - 2) → A
24
D
(7 × 10-7) × 0.06
7 × 0.06 × 10^-7
0.42 × 10^-7
4.2 × 10^-8
answer is 0
..................3rd option
