352 divided by 4 answer i'm literally bad at division

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).