PLEASE HELP FAST!! 20 points and brainliest.

the sum of three consecutive odd integers is 243. What is the smallest of these integers.

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?