PLZ HELP WILL GIVE BRAINLST

Use the Quadratic Formula to find the exact solutions of x2 + 7x − 4 = 0.

x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?