In a journey of 450km a person complete its 150km in 3hours. Then he increases his speed by 20%.How long time does it take to complete all the journey

Do,h = (7, 9) (14, 18) the scale factor is

Examine this system of equations. what integer should the second equation be multiplied by so that when the two equations are added together, the x term is eliminated? 3/4x+1/7y=6 1/8x-3/5y=16

Recall that two angles are complementary if the sum of their measures is? 90°. find the measures of two complementary angles if one angle is twenty dash nine times the other angle.