the sundae bar at sarah's favorite restaurant has 5 toppings. in how many ways can sarah top her sundae if she is restricted to at most 2 toppings?

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

How do you determine if an ordered pair is a solution to a given equation?