1) Q1 + + 2. What is the product of 2x + 3 and 4r - 5x + 6? 1) 8-27 + 3x + 18 2) 8x - 2x - 3x + 18 3) 8x' + 2x - 3x + 18 4) 8x + 2x + 3x + 78​

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.

Yvaries directly as x. y =90 when x=6. find y when x=13