Peter measures the angles in a triangle he finds that the angles are 95˚, 10˚ and 75˚
Is he correct and why ???

Consider the integral: 4 0 16 − y2 − 16 − y2 4 1 x2 + y2 dz dx dy . (a) describe w. use the standard view of the x, y, and z axes. front half of a cone with a rounded top. full cone with a flat top. right half of a cone with a flat top. front half of a cone with a flat top. right half of a cone with a rounded top.

What is the number 321,000,000 in scientific notation? also what is the number? ?

How can (square root of 25) ^2 be rewritten?