Ocie's electricity costs (y) per day of usage (x) are modeled below. How much is the electricity bill if Ocie is on vacation all month and doesn't use electricity? y=85x+7

Which graph represents an even function?

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.