If anyone solves all three of these correctly I will give you 20 points, but please make sure that the answer is a complete simplified exact value in terms of pi, so just solve it as an equation, where pi is like a variable, don't substitute pi for anything. Please

answer: x=60

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

answer: 270

step-by-step explanation:

you have to times 200 by 1.35 to get your answer

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of