HELP PLEASEEE
Answer the following steps to find the volume of the composite figure.
What is the volume of the 3 mm-tall cone? (radius 2mm)
V =mm3
What is the volume of the cylinder? (4mm tall and radius 2mm)
V =mm3
What is the volume of the 1 mm-tall cone? (radius 2mm)
V =mm3
What is the volume of the composite figure?
V =mm3

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old