Which formula would be used to find the measure of angle 1?

One-half(a° + b°).
One-half(a° – c°).
One-half(b° + c°).
One-half(a° – b°).

The shift of a vehicle's weight around its center of gravity is known as

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different

The process of meiosis produces only gametes, eggs or sperm. according to the diagram, how many sperm are formed from each cell that undergoes meiosis?