PLEASE HELP IM BEING TIMED Which statements are correct? Check all that apply. A chord is sometimes a radius. A diameter is always a chord. A tangent is never a secant. A chord can be longer than a diameter of the same circle. A chord can be shorter than a radius of the same circle. A radius is always congruent to another radius of the same circle.

An alien has just landed from the planet, iksnimak. he would like to leam how to add two fractions when thedenominators are the same. write a paragraph that explains to our alien friend, in your own words, the detailsabout how to add the fractions, how to change the result to a mixed number, and how to reduce the fractionpart. use this problem as your example: the two fractions are 5/8 & 7/8

Solve the system of equations. y= 2x y= x^2 - 15

What are the solutions to the equation 4x2+3x=24-x