Solve 3x2 + 2x + 7 = 0. round solutions to the nearest hundredth.

(a)x ≈ −1.90 and x ≈ 1.23
(b)x ≈ −1.23 and x ≈ 1.90
(c)x ≈ −0.44 and x ≈ −3.56
(d)no real solutions

What is the length of the unknown leg in the right triangle ?

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?