70+20 equal to the expression

When the natural number n was increased by 1, its square increased by 1001. Find n

I'm confused on all math

A carpenter is putting a skylight in a roof. If the roof measures 10x + 9 by 7x + 7 and the skylight measures x + 5 by 3x + 3, what is the area of the remaining roof after the skylight is built?

Emma has $100 to spend at the pet store. She needs to buy 1 bag of dog food and 2 chew toys. Will emma have enough money left over to buy 3 times as many catnip toys as chew toys? Explain

Suppose a company needs temporary passwords for the trial of a new payroll software. Each password will have two letters, followed by one digit, followed by one letter. The letter W will not be used.

Is 6,500 ten times as much as 65 explanation and how to get the answer

A snack cart sells lemonade for $2 and hot dogs for $5. The vendor sold 86 items today for a total of $330. Which equation is true?

Are all pentagons polygons

The speed of a river current is 2 mph. If a boat travels 30 miles downstream in the same time that it takes to travel 20 miles upstream, find the speed of the boat in still water. The speed of the boat in still water is blank mph.

the high temperatures of one week in new york city are givinf in °f below 82,76,86,84,85,87,86 what is the median of the high temperatures