PLEASE HELP...FAST :( ONLY ACTUAL ANSWERS PLEASE (no ''i dunno'') Complete the following tasks for this equation:

b/7.8 = -2.15

a. Give an estimate for the solution. Be sure to explain how you arrived at the estimate, either by showing an equation or in words.

b. Solve the equation. Show or explain your work.

c. Compared to your estimate, is your answer reasonable? Explain your answer in complete sentences.

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Write the contrapositive of the conditional statement. determine whether the contrapositive is true or false. if it is false, find a counterexample. a converse statement is formed by exchanging the hypothesis and conclusion of the conditional. a) a non-converse statement is not formed by exchanging the hypothesis and conclusion of the conditional. true b) a statement not formed by exchanging the hypothesis and conclusion of the conditional is a converse statement. false; an inverse statement is not formed by exchanging the hypothesis and conclusion of the conditional. c) a non-converse statement is formed by exchanging the hypothesis and conclusion of the conditional. false; an inverse statement is formed by negating both the hypothesis and conclusion of the conditional. d) a statement not formed by exchanging the hypothesis and conclusion of the conditional is not a converse statement. true

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?