The altitude of a triangle is increasing at a rate of 3 cm/hour while the area of the triangle is increasing at a rate of 8 sq cm/hour. At what rate is the base of the triangle changing when the altitude is 10 cm, and the area is 100 sq cm?

Three coins are flipped. what is the probability that there will be at least two tails?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

Bonnie and bobby are saving money for a vacation. each friend starts with an amount and also saves a specific amount each week. bonnie created a table to show the total she has saved at the end of each week.. weeks 0 1 2 3 4 5 6 7 8 amount saved 12 16 20 24 28 32 36 40 44 bobby came up with the following equation to show the total, y, he has saved at the end of each week, x. y = 12x + 4 compare the rate at which each friend saves money. select the correct answer from the drop-down menu to complete the statement. the rate at which bobby is adding to his savings each week is $ more than the rate at which bonnie is adding to her savings each week.