At 3: 30 am the temperature is -5 f. between 3: 00 am and 6: 00 am the temperature drops by 12 f. between 6: 00 am and 9: 00 am the temperature rises by 4 f. what is the temperature at 9: 00 am?

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

The value √10 and √15 are plotted on the number line

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?