Jennifer invested some money at 4.5% simple interest and $1000less than twice this amount at 3%. Her total annual income from the interest was $1020. How much was invested at each rate?

Find the pattern and use it to list the nth term in the sequence. 6, 12, 20, 30, 42, 56, the nth term of the sequence is

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?