If you know please answer During school there’s is 2 semesters theres 4 quarters and I have

C for the 1st quarter
A for the 2nd quarter
What would be my final 1st semester grade

And
B for my 3rd quarter
F for my 4th quarter what’s my 2 semester grade

Find the area of an equilateral triangle with a side of 6 inches

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11