7) Is - 2 a zero (or root) of f (x) = 7x3 + x2 - 9x + 5?

On each of 3 days Derrick rode 6.45 km to school 150 meters to the library and then 500 meters back home. how many kilometers did he ride for the 3 days total?

What is the length of the line segment that is graphed from (4, 2) to (4, 8) ?

How do i solve 24:2 - (1*5) + 4

At a city hospital, 40 boys and 50 girls were born yesterday. What is the expermental probabilty that the next baby born will be a girl

I think that the conclusion is AB is congruent to DE and reasoning is subtraction property, but need someone to check

What is the solution to the equation 4y - 12 = - 4 y = 11 y = 2 y = - 4 y = - 13

There is enough grass to feed 7 cows for 4 days. How long would the same amount of grass feed 14 cows?

The base of a ladder is 25 meters due west of a burning building. If the angle of elevation of the ladder is 51°, how long is the ladder (round to the nearest meter) ? A) 33 meters B) 34 meters C) 39 metersD) 40 meters

A cylindrical water trough has a diameter of 6 feet and a height of 2 feet. It is being filled at the rate of 4 ft^3/min. How fast is the water level rising when the water is 1 foot deep?

According to statistics, a person will devote 32 years to sleeping and watching TV. The number of years sleeping will exceed the number of years watching TV by 22. Over the lifetime, how many years will the person spend on each of these activities?