Determine the interval (s) at which f (x) is concave down given that f′′ (x) = -2x2+6x+8.

A fair coin tossed 3 times in a row. What is the probability that heads appear on only the last toss?

Write the quadratic equation in standard form. (x-3) 2=0 0x²+9=0 0x2+6x+9=0 0x2 - 6x + 9=0

1. Two boats A and B depart from a port at the same time, travels to the north at 15 miles per hour, while B travels eastward at 20 mph. How fast boats are separated two hours after they left the port?

The volume of a cone is 47.1 units. What is the height of the cone?

Its width, find the dimensions. The length of a rectangular rug is 3 ft more than the width. If the area of the rug is 180 ft. find the dimensions. inic 10 cm If there is

if I'm in a plane flying at 512 miles per hour and a plane flies below me in the opposite direction, will it appear to fly slow or fast

A bakery decided to expand since business was going so well. Originally, the width was five times the length. Now they are adding 5 feet to the length. If the length was originally 15 feet, what will be the area of the new bakery?

In attempting to become financially organized, a person: A. generally has no difficulty in deciding what courses of action should be taken. B. only needs to evaluate items pertaining to the area of investments. C.

How would you convert a measurement in ounces into pints?

Suppose an amount increases by 100% percent, then decreases by 100% percent. Find the final amount. Would the situation change if the original increase was 150%?