Which of the following groups of numbers are all prime numbers?

A. 7, 17, 29, 49

B. 2, 3, 5,9

C. 2, 5, 15, 19

D. 3, 11, 23, 31

How do you Split 100 in three ways

Why is 21 sqrt root an irrational number?

Arrange the data values in order from least to greatest. 4,3,6,10,3,14,8,5,7,11,7,8

5x-y+z=1 4x+2y-3z=32 X-3y+2z=-19

What type of number is 0.55/0.55? (both are repeating decimals) A-Whole number B-Integer C-Rational number D-Irrational -choose all that apply-

The height of a kicked football can be represented by the polynomial - 16t2 + 32t + 3 where t is the time in seconds. Find the height (in feet) of the football after 1.2 seconds. A. 18.75 feet B. 18.25 feet C. 18.36 feet D. 18.05 feet

Decrease 800g by 62%

One maid cleaned the room in 30 minutes. A new maid cleaned it in 60 minutes. How long will it take to clean this room if both maids work together

What is 134 850 000 in words

The cost of 16 oranges is $1. What is the cost of 4 dozen oranges?