Acommuter has $245 in his computer savings account. this account changes by $-15 each week he buys a ticket. in one period, the account changes by $-240. for how many weeks did the commuter buy tickets? how much must he add to this account if he wants to have 20 weeks worth of tickets in his account

Select the correct answer from each drop-down menu. rewrite the formula to find voltage. the formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resistance in ohms. for a particular brand of water heater, r is 32 ohms and p is 0.5 watts. the formula to find v is , and the voltage at which the heater operates is volts.

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

In which form is the following function written? y = - 2(x – 3)(x + 5)