3. a snowmobile manufacturer claims that its newest model is 15% lighter than last year’s model. if this year’s model weighs 799 lb., how much did last year’s model weigh?

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2