What is 2 (2x^2+2x-1) to the nearest tenth

4 strips of paneling 40cm long and 4cm wide are arranged to form a square. What is the area of the inner square in cm

Eight times what is 526

Anna rode her bike 7 miles to the lake. She rode 3/4 of the distance to the lake before lunch. How many miles did she ride before lunch?

Evaluate lim x→0 e x - x - 1 cos x - 1. 2. A warehouse selling cement has to decide how often and in what quantities to reorder. It is cheaper, on average, to place large orders, because this reduces the ordering cost per unit.

In ΔABC, the measure of ∠C=90°, CB = 35, AC = 12, and BA = 37. What ratio represents the cosine of ∠A?

A salesperson obtained a systematic sample of size 30 from a list of 750 clients. To do so, he randomly selected a number from 1 to 25, obtaining the number 17. He included in the sample the 17th client on the list and every 25th client thereafter.

Jill received a stipend of $1,000 for the extra work she does on the job. She is going to deposit the money into her bank account that receives an annual compound interest of 4%. The account balance after year 3 is what

What kind of sequence is: 7,11,15,19

Todd owes $438.53 on his credit card. He returns two items, one for $49.36 and the other for $52.95. Then he makes purchases of $32.24 and $33.23. What is the new balance on the card?

Add and reduce: 7/24 + 11/24