A 12 foot ladder leans against a wall and reaches 11 feet up the wall. Using base measures determine the angle the base of the ladder makes with the ground Help anyone?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Choose the equation that represents the graph below: (1 point) graph of a line passing through points negative 3 comma 0 and 0 comma 3 y = x − 3 y = −x + 3 y = −x − 3 y = x + 3 will award !

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.