Simita has 25 coins, consisting of 10c and 5c, which total $2.25. how many of each does she have?​

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

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

Which of the following circles have their centers on the x-axis? check all that apply.