Solve for the quadratic equation x^2+9x=-18

Which represents the inverse go the function f (x) = 4x

A ball is thrown upwards and it's height h m, at time t s, is given by h=7t-4.9t2. How long does the ball spend more than 1.5m above ground?

The table represents a function. What is the value of f (-1) ? f (-1) = - 3 f (-1) = - 1 f (-1) = 0 f (-1) = 6

A dinner for 10 people cost $267. what was the price per person

What percent is equivalent to 1/25 A. 4% B. 5% C. 20% D. 25 %

390 is 75% of what number?

The dining room had brought 100 kg of cabbage, potatoes, 4 times less than potatoes. How onions brought into the dining room?

The width (l) of a sheet of plywood that is one half the length l

Each member of a cross - country team runs 6.2 miles each day at practice. The team has 5 members. What is the total number of miles the 5 members will run in 18 practices? A : 111.6 B : 552 C : 555 D : 558

Consider m = y2-y1 x2 - x1 which x1 and x2-values would determine that he line is vertical? Justify your answer