Use the distributive law to factor the given expression. 3 + 21a + 15b

Question 4 options:

2-digit numbers less than 91 which are 1 less than a multiple of 10

Ily begins solving the equation 4(x – 1) – x = 3(x + 5) – 11. her work is shown below. 4(x – 1) – x = 3(x + 5) – 11 4x – 4 – x = 3x + 15 – 11 3x – 4 = 3x + 4 how can her partial solution be interpreted?

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.