Tobias has $170 in his savings account and spends $7 of it every week. Roberta has $126 in her savings account and saves another $4 every week. On your Work Page, neatly and clearly write a system of equations for the situation. Let x represent the number of weeks and let y represent the total amount of savings. Solve the system algebraically, showing all of your work. Then answer the question.

How long will it take for Tobias and Roberta to have the same amount of money? (Include the unit of measurement.)

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

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?

The product of sin 30 degrees and sin 60 degrees is same as the product of