Last year, Ivan biked c miles. This year, he biked 430 miles. Using c, write an expression for the total number of miles he biked. PLEASE ANSWER ITS FOR A TEST!

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg