The new U. S. History teacher is very popular. four out of every seven students hang around his desk before each of his classes. How many students hang around his desk out of your class of thirty-five students?
How many students hang around his desk out of a class of twenty eight students?
If there are twelve students hanging around his desk, how many students are in the class?

answer: evaluate the objective function at each vertex to determine which - and -values, if any, maximize or minimize the function. example: find the minimum value and maximum value of the objective function f ( x , y ) = 4 x + 5 y , subject to the following constraints

the answer is c: divide the arc's degree measure by 360°, then multiply by the circumference of the circle.

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.

4.5%

step-by-step explanation: