Which variable is the easiest to turn in to opposites? Why?

2x + 4y = 5

3x - 5y = 6

Tell whether you can make a unique triangle with sides measuring 5cm, 4cm, and 20cm.

An object is dropped from the top of a tower with a height of 1210 feet. Neglecting air resistance, the height of the object at time t seconds is given by the polynomial - 16t²+1210. Find the height of the object at t = 8 seconds.

Write the number 40/100 as tenths in fraction form and decimal form.

From a boat on the river below a dam, the angle of elevation to the top of the dam is 22°23'. If the dam is 2457 feet above the level of the river, how far is the boat from the base of the dam (to the nearest foot) ?

Find the domain of the following function f (x) = sqrt x-4. write your answer in interval notation.

A classroom is arranged with 8 seats in the front row, 10 seats in the middle row, and 12 seats in the back row. The teacher randomly assigns seats to students as they enter the classroom.

The floor in the entranceway of Kendra's house is square and measures 6.5 feet on eqch side. Colored tiles have been set in the center of the floor in a square measuring 4 feet on each side. The remaining floor is consists of white tiles.

Find the length of the midsegment to the nearest tenth. 70.0 31.0 35.0 16.7

At 1,932 feet My lake is the deepest lake. My neighbor's is 3,383 feet deeper. how deep is my neighbor's?

F (-2) = - 1 and g (1) = - 2 (Fog) (1)