10x=-90 multiplication principley=4 graphy+x=-10 graph3x+4y=26x+8y=4 elimination

10x=-90 multiplication principley=4 graphy+x=-10 graph3x+4y=26x+8y=4 elimination processy=9/7x+4 find slope and y-intercept 1+2x8x+9y=21x=7-2y substitution method-2x>1/9 multiplication principle7x-4y=-164y-7x=16Word problemsThe length of a rectangle is fixed at 17cm. What widths will make the perimeter greater than 70cm?In 1995 the life expectantcy of males in a certain county was 73.6 years. In 2000 it was 77.0 years. Let E represent the life expectantcy in yeart and let t represent the number of years since 1995. E(t)= t+ (round to nearest tenth)E(13)= (nearest tenth) Use the function to predict the life expectantcy of males in 2008.On three consecutive passes a football team gains 10 yards loses 32yards and gains 23 yards. What number represents the total net yardage?The equation y=1777x+27153 can be used to predict the number y of gun deaths in the U.S. x years after 2000 that is x=0 corresponds to 2000 x=2 corresponds to 2002 What year will the number of gun deaths be 7606?The predicted gun deaths in 2005 will be?The predicted gun deaths in 2009 will be?The predicted number of gun deaths will be 7606 in the year?Trains A and b are traveling in the same direction on parallel tracks. Train A is traveling at 100mph and train B is traveling at 104mph. Train A passes a station at 8:15am. If train B passes teh same station at 8:45 am at what time will train B catch up to train A?