The ends of the base of an isoceles triangle are
(2a,0) and (0,a) .the equation of one ide is x=2a .find the eqns of the base ,the remaining sides and the coordinates of the vertex.

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2

Find the value of the variable and the length of each chord for #5 and #6.

Ellie spent $88.79 at the computer stote. she had $44.50 left to buy a cool hat. how much money did she originally have? write and solve an equation to answer the question.