Iwill give brainliest if two people answer my question which two equations would be most appropriately solved by using the quadratic formula? select each correct answer. 0.25x2+0.8x−8=0 −(x−3)(x+9)=0 3x² = 9 −2x2+5x=7

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.

after 1 year: 221 deer

step-by-step explanation:

30% of 170 is 51. 170+51=221