Which of the following is true

a. 3.4 + 7.6 = 7.6 + 4.3

b. 3.14 + 0 = 0

c. (4.5 + c9.7) + 6.5 = 4.5 + (9.7 + 6.5

d. (1.1 + 10.9) - 7.5 = (10.9 - 1.1) + 7.5

What is the result of adding the system of equations? 2x + y = 4 3x - y = 6 a) x = 2 b) x = 10 c) 5x = 10

1.9 kilometers but in meters

Leah wrote 2 different fractions with the same denominator. Both fractions were less than 1. Can their sum be equal to 1? Can their sum be greater the 1? Explain

Saidhari bought a toaster oven for $75 this price was 1/4 off the list price. what was the list price

Find the area of a triangle with a base length of 4 units and a height of 5 units A. 8 units B. 9 units C. 10 units D. 20 units

A spinner is split into 4 equal parts labeled 1, 2, 3, and 4. What is the probability of landing on an even number? (Write your final answer as a percentage.)

One foot is equivalent to approximately 0.3048 meters. if a building is 65-feet long, what is the length of the building in meters, to the nearest tenth?

Carpet costs $12 per square yard. How much will it cost to carpet a room that is 180 square feet?

How many days would it take you to get an 1 million pennies if you count one penny each second

One of the wagers in roulette is to bet that the ball will stop on a number that is a multiple of 3. (Both 0 and 00 are not included.) If the ball stops on such a number, the player wins double the amount bet.