How do i solve the following by using substitution?
y=4x+9
10x=18 -2y

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?

Afarm is to be built in the shape of quadrilateral abcd, as shown below. all four sides are equal. a rhombus abcd is shown with diagonal ac equal to 15.5 feet and diagonal bd equal to 13.2 feet. what is the area of the farm? pleas only pick from the 4 below 62 square feet 52.8 square feet 57.4 square feet 102.3 square feet