If a parabola opens downwards and has a maximum, and if it has a vertex of (-2,-3) and a y-intercept of (0,-11), what is the axis of symmetry, and what is the maximum value of the function?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Mikes car gets an average of 28 mpg. there are 12 gallons of fuel in mikes car when he starts his trip of 140 miles. about how many gallons are left at the end of his trip?

If two lines form congruent alternate interior angles with a transversal, then the lines