Callie is doing a cycling challenge. Each day she cycles 10 km farther than she did the day before. At the end of the first week, Callie has cycled a total of 266 km. How far did Callie cycle on the first day of the week? How far did Callie cycle on the last day of the week?

c

-by-step explanation:

it would be c

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

the number 100 represents the number of trials in the experiment.

49/100 represents the experimental probability of the coin landing heads up.

step-by-step explanation:

step-by-step explanation: