7x² 10

what is the value of the expression when x=6​

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?

The lengths of two sides of a triangle are 9 and 15. what can be said about the length of the third side? a. it must be greater than or equal to 6 and less than 24. b. it must be greater than or equal to 6 and at most 24. c. it must be greater than 6 and less than 24. d. it must be greater than 6 and at most 24.