Solve these: 1.] X/4 + X/5 - X/10

2.] X/3 + X/5 + X/15

3.] 4/X + 3/5X + 7/10X

[show the working please]

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Which of the following values cannot be probabilities? 0.08, 5 divided by 3, startroot 2 endroot, negative 0.59, 1, 0, 1.44, 3 divided by 5 select all the values that cannot be probabilities. a. five thirds b. 1.44 c. 1 d. startroot 2 endroot e. three fifths f. 0.08 g. 0 h. negative 0.59

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.