Your friend, who is age 15 and has a resting heart rate of 70, wishes to start a jogging program. what would you suggest as a proper starting target heart rate?
138
115
178
155

Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?

See the attachment and solve question 5th

The second largest public utility in the nation is the sole provider of electricity in 32 counties of southern florida. to meet the monthly demand for electricity in these counties, which is given by the inverse demand function p = 1,200 – 4q, the utility company has set up two electric generating facilities: q1 kilowatts are produced at facility 1, and q2 kilowatts are produced at facility 2 (so q = q1 + q2). the costs of producing electricity at each facility are given by c1(q1) = 8,000 + 6q12 and c2(q2) = 6,000 + 3q22, respectively. determine the profit-maximizing amounts of electricity to produce at the two facilities, the optimal price, and the utility company’s profit