7. mr. newman bought 8 tickets to a chili supper and spent a total of $30. he bought a combination of adult tickets for $5 each and child tickets $3 each. which system of equations below will determine the number of child tickets, c, and the number of adult tickets, a, he bought?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry