I have the first 2, I'm just struggling on the 3rd one​

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

Afamily of five rents a kayak and splits the total time, k, equally. each family member spent less than 25 minutes kayaking. which values can be used to complete the math sentence below so that it accurately represents the situation? intro done

Write the expression 7x^3-28xy^2 as the product of 3 factors