Jakob is asked to simplify the expression –3a + 4b + 5a + (–7b). he writes: –3a + 4b + 5a + (–7b) = –3a + 5a + 4b + (–7b). which property allows him to do this? the associative property the commutative property the distributive property the additive identity property

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)

What is the solution of the equation? 35√(x+2)3+3=27

What is 4(x2 – 3x) + 12x2 + x simplified? f 4x2–3x h 16x2–11x g13x2–2x i16x2–12x