Can 9+10 really equal 21 explain and show your work

Which relation is also a function? A. { (-5, 3) (6, 3) (1, 3) (2, 3) } B. { (-1, 5) (2, 6) (1, 5) (2, 8) } C. { (3, 6) (3, - 2) (3, 4) (3, 0) } D. { (0, - 2) (1, 7) (2, 3) (0, - 1) }

What's the answer for this equation - 6n-6+1+6n?

Consider the experiment of tossing a coin twice, Let A and B be two events defined below. A = (first toss results in H) and B = (second toss results in H) the events A and B are what

Michael cycled a distance of miles in hours. What is his cycling unit rate in miles per hour?

1. Start Time: 3:10 End Time: 7:15 Find the time in minutes

True or false the number 0 is the multiplicative identity?

What's joint frequency?

How do you solve 235+123 using a number line?

Tanisha has 3 1/4 feet of pink ribbon and 1 3/4 feet of yellow ribbon. How much more pink ribbon does Tanisha have than yellow ribbon? Write your answer in simplest form.

Which of the following equals the difference between the total surface area and base area of any three-dimensional figure? A. Slant height B. Perimeter C. Lateral area D. Altitude