If the original quantity is 15 and the new quantity is 19, estimate the percent change. Which of these is the best estimate for the percent change?
OA. 25% decrease
OB. 25% increase
OC. 5% increase
OD. 5% decrease

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work

20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.