Harvey has a credit card that uses the previous balance method. The opening balance of one of his 30-day billing cycles was $2790, but that was his

balance for only the first 6 days of the billing cycle, because he then paid off

his entire balance and didn't make any new purchases. If his credit card's APR

is 21%, which of these expressions could be used to calculate the amount

Harvey was charged in interest for the billing cycle?

O A G3 • 30 (52790)

OB 22:30)(6• 50 + 24 • *2790

oc. 07.30)6* $2799 + 24 =$99

OD. (330)

Radiation was first detected by a ?

Read this passage. anita was in her room listening to music as she styled her hair. her mom walked in and asked, “where are you going? ” “to a friend’s party,” anita replied. “i didn’t give you permission to go to a party. you will be staying home tonight,” her mom commanded, and she left the room. anita clenched her teeth, and her eyes watered as she slammed the door behind her mom. based on the details in the passage, the reader can infer that anita most likely will go to the party anyway. will be punished for slamming the door. is keeping a secret from her mom. is angry with her mom.

What types of government incentives might encourage use of alternative energy sources? would their widespread use affect our economic and social environment?