me gomez and his family are driving through texas. he and his wife decided they do not want to drive more than 15 hours a day. he figures he can drive at least 5 hours a day but no more then 8 hours. mr gomez decides she can drive between 2 and 4 hours a day. which system of inequalities is the best representation of this

Can someone explain the elimination method to me for this problem?

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?