a homeowner measured her rectangle backyard is having a length of 40 yards and a width of 25 yard. Her measurements were accurate to the nearest yard. What is the range of possible values for an eight. The actual area in square yards of her backyard

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18