The sum of the angles of a triangle is 180°. If one angle of a triangle measures x and the second angle measures (4x + 13) express the measure of the third angle in terms of x. Simplify the expression

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.