10 points & ! show process : )

in a math class there are five equally weighted tests. a student has grades of
94, 92, 78, and 97 on the first four tests. to earn an a in the class, the students
must have an average of at least 90. what must the student get on the fifth test
to earn an a in the math class?

the student needs at least an 89 on the fifth test to earn an a in the math
class.

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.

() at a farm, animals are fed bales of hay and buckets of gain. each bale of hay is in the shape of a rectangular prism. the base side lengths 2 feet and 3 feet, and the height is 5 feet. each bucket of grain is a cylinder with diameter of 3 feet. the height of the bucket is 5 feet as the height of bale. a. which is larger in area, the rectangular base of the bale or the circular base of the bucket? explain how you know b. which is larger in volume, the bale or the bucket? explain how you know

What is the base of 1/9 to the power of 2