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

Find the sum and express it in the simplest form (-b-5x-3) + (2b-4x+7)

What are all the common factors of 24 and 44? A. 1, 2 B. 1, 2, 4 C. 1, 2, 4, 8 D. 1, 2, 4, 12

The dot plot show the number of emails aaron sent his cousin each week

Batteries come in packs of 4. Last month, Joe used 58 batteries in his remote control drone. How many packs of batteries did he have to open?

What does V = If V/13 = 14

From 1980 to 1990, the consumer price index (CPI) increased from 82.4 to 130.7. If a gallon of apple juice cost $0.

A car and a motorcycle leave at noon from the same location, heading in the same direction. The average speed of the car is 30 mph slower than twice the speed of the motorcycle. In two hours, the car is 20 miles ahead of the motorcycle.

The product of two factors is 72. One of The factors is 8. What is the other factor

Write 5 22/25 as a decimal.

Building a is 160 feet shorter than building b. the total height of the two buildings is 1530 feet. find the height of each building.