Ahmed has 200 OMR in his saving accourt. If he saves 20 OMR every week, then how long it will take to have at least 800 OMR in his account?​

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?

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.

How many ordered pairs of positive integers satisfy xy=32?