on march 20, 2011, a $1,000 bond had a selling price of $987.50. what was the quoted price for the bond?
987.5
0.9875
9.875
98.75
none of these choices are correct.

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Answer asap. you begin with 1/2 scoop of ice cream. since you're hungry, you ask the vendor for 2/7 more scoops of ice cream. then, you eat 5/8 scoops. how many scoops of ice cream are left on your cone? i will mark brainliest for first correct answer.