I kind of need this answer now .-.
During summer, when the snow melts, the water level of the Yukon River increases. If the water level of the river increased by 55 centimeters in 5 days, what is the water level increase rate in centimeters per day?

A. 11 centimeters per day

B. 13 centimeters per day

C. 9 centimeters per day

D. 14 centimeters per day

When drawing a trend line for a series of data on a scatter plot, which of the following is true? a. there should be an equal number of data points on either side of the trend line. b. all the data points should lie on one side of the trend line. c. the trend line should not intersect any data point on the plot. d. the trend line must connect each data point on the plot.

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.