12x-2/3+2/3 what is the addition property of equality

Larry rolls 2 fair dice and adds the results from each. Work out the probability of getting a total more than 8.

Exihibit a counterexample for the following. Every prime number is odd.

We read 21 pages of my English book yesterday. Today, we read 17 pages. What is the total number of pages we read?

The sum of two numbers is 8 and their difference is 24. What are the two numbers?

Elijah buys 5 pens and 4 pencils for $18.50. He may also buy 3 pens and 6 pencils for $16.50. How much does one pen cost?

In the general linear equation, y = bx + a, what is the value of b called?

Theodore invested $19,000 at 11% simple interest for 1 year. How much is in the account at the end of the 1 year period

Beccas dad told her that she needs to practice piano for two hours this week so far she has practiced 20 minutes on Monday a half an hour on Tuesday and 15 minutes on Wednesday how much longer does she need to practice?

Which lines are perpendicular to the line y - 1 = (x+2) ?

Josh rides his bike along a 9-mile trail. There are trail markers every mile. The markers start at mile and end at 9 miles. How many markers does Josh see on the trail? A. 1/27 B. 1/3 C. 3 D. 27