Evaluate the following expression using the values given.

find 2x2 − 2z4 + y2 − x2 + z4 if x = −4, y = 3, and z = 2.

i believe it to be 9 am i correct?

Sioux co. replaced the roof on its existing building, therefore increasing the building's life by 10 years. the cost of the roof is considered a(n):

Grandpa ernie is shrinking! over the past 4 years his height decreased by a total of 2.4 cm.it decreased by the same amount each year. what was the change in grandpa ernie's height each year

If angle ase measures 168 degrees, find the measure of angle dse. the figure mag not be drawn to scale