Which statement is true about the extreme value of the given quadratic equation? a. the equation has a minimum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -21. c. the equation has a minimum value with a y-coordinate of -27. d. the equation has a maximum value with a y-coordinate of -27.

the ratio of grapes to blueberries she should use is 12: 3

step-by-step explanation:

if mandie is making 15 cups of fruit salad, the ratio of grapes to blueberries she should use is 12: 3.

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.