How do you recognize and complete a geometric sequence?

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2

Eric and shiloh each have a savings account. the ratio of eric’s account balance to shiloh’s account balance is 4: 3. together they have a total of $140 in their accounts. use the tape diagram below to you determine the balance of eric’s account.

Atriangle abc has two side lengths of 28 ft. and 24 ft. if angle c is 91°, what's the measurement of angle b?