Tell how the Commutative and Associative Properties of Addition can help you evaluate the expression. 8.5+3.4-6.5-(-1.6) Also whats the answer

Solve the problem by making up an equation. a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 3 times the age of the child?

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

Question 3(multiple choice worth 1 points) use the arc length formula and the given information to find r. s = 16 cm, θ = 48°; r = ? sixty divided by pi cm thirty divided by pi cm one third cm one hundred twenty divided by pi cm