Given that δabc : δdef, ab/de = bc/ef, and the ratio of ab to de is 1/3, which of the following could be the lengths of bc and ef? ab, de, bc, and ef all have lines over them, including the ones in the answers. a. bc = 4; ef = 6 b. bc = 3; ef = 9 c. bc = 3; ef = 10 d. bc = 3; ef = 12

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no