Richard’s checking account balance was $57.34 at the beginning of the week. During the week, he recorded the transactions below. A 2-column table with 4 rows. Column 1 is labeled Transaction with entries groceries, credit card bill, deposit, gas. Column 2 is labeled Amount with entries negative 25.37, negative 50, 163.75, negative 13.27.

What was Richard’s account balance at the end of the week?

$

Find the sum of the given arithmetic series. 24 + 17 + 10 + 3 + + (–39)

Customers are used to evaluate preliminary product designs. in the past, 93% of highly successful products received good reviews, 51% of moderately successful products received good reviews, and 14% of poor products received good reviews. in addition, 40% of products have been highly successful, 35% have been moderately successful and 25% have been poor products. round your answers to four decimal places (e.g. 98.) what is the probability that a product attains a good review? (b) if a new design attains a good review, what is the probability that it will be a highly successful product? (c) if a product does not attain a good review, what is the probability that it will be a highly successful product?

Ay = 6, cy = 15, and yd = 4. what is the measure of by?