A pizzaeria makes pizzas in different sizes and with different toppings. The pizzaeria wants its customers to have 12 options when they create a pizza

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

Which graph represents the following piecewise defined function?

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?