My ten digit is double my ones digit. I am less than 70 and greater than 60

Tickets to the concert were $2.50 for adults and $1 for students. $1200 was collected and 750 tickets were sold. Write a system of linear equations that can be used to find how many adults and how many students attended. How many students attended?

Ruth needs 2 1/4cups of flour for one cake recipe and 2 3/4cups of flour for another cake recipe if she makes broths cakes how much flour will ruth use together

A builder has 3 acre of land. He is going to divide it into 3 lots for homes. How large is each lot

Sam is conducting an experiment. The temperature is to be reported in degrees Fahrenheit. His log book recorded the temperature as 30 degrees Celsius.

Suppose the cheetah sprinted at maximum speed for 8 minutes and then slowed to 40 mph for the next 8 minutes. a. How far would the cheetah have traveled in the first 8 minutes? Show how you arrived at your answer. b.

If you add a constraint to an optimization model, and the previously optimal solution satisfies the new constraint, will this solution still be optimal with the new constraint added?

These are the first six terms of a sequence with a1= - 3: - 3, 8, 19, 30, 41, 52, ... Find a recursive formula for this sequence that is valid for n>1. Write your answer in simplest form.

180 people filled out a survey about their favorite color. 95 of the respondents were female. 21 males responded that their favorite color is red.

Kristin's three-year old sister is trying to arrange pink and red Starbursts in rows. She has 360 pink Starbursts and 150 red Starbursts.

A plane is flying at 31,348 feet. It needs to rise to 37,000 feet in two stages. In stage 1, it rises 5% of its initial altitude of 31,348 feet. In stage 2, it rises at a rate of 140.3 feet per minute.