ALGEBRA II EDGE SUMMATION NOTATION QUIZ #6 Which of the following is the correct expanded form for the series below?
4 £ n=1 (3n+7)
о (7+3·1) + (7+3·2) + (7+3·3) + (7+3·4)
о (7+1) + (7+2) + (7+3) + (7+4)
о (3·1) + (3·2) + (3·3) + (3·4)
о 3 + 3² + 3³ + 3⁴ + 7
please hurry !! :))

Abanner is made of a square and a semicircle. the square has side lengths of 24 inches. one side of the square is also the diameter of the semicircle. what is the total area of the banner? use 3.14 for π.

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 t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.