In a board game, Bobby Fischer gets x points for landing on a red space,
2x points for landing on a blue space, and 5x points for going all the way
around the board. He lands on 21 red spaces, 19 blue spaces, and goes
around the board twice. Give an expression that expresses the total
number of points Bobby scored.
Bobby scored
x points

step-by-step explanation:

the true ones are a b and d

i believe that the slope of the line is -5

step-by-step explanation:

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.