What is 4.2 as a fraction

Twelve of the 20 students in Mr. Skinner's class brought lunch from home. Fourteen of the 21 students in Ms. Cho's class brought lunch from home.

A right rectangular prism has a length of 8 inches, a width of 9 inches, and a height of 10 inches. If a plane slices the prism in half, parallel to its smallest face, which of the following describes the shape of the two-dimensional cross-section?

a red ball and 4 white ball are in a box if two balls are drawn without replacement, what is the probability of getting a red ball on the first drawn and a white ball on the second

What is the solution of the system? Use the elimination method. 2x + y=20 6x - 5y = 12 Enter your answer in the boxes

Is the expression 2x-2 equivalent to the expression 2 (x-2) ? Explain.

On the weekends, paul jogs 9/10 mile. on the weekdays, paul jogs 5/10 mile. how many more mile does paul jog on the weekends than on a weekday

A marker was placed at an altitude that is 15 feet below sea level. What interger represtens this altitude

Write the number described by 1 ten and16 0nes

A national park has a population of 400 koalas. If the koala population is expected to increase by 3% p. a., the expected number of koalas in the National Park in 4 years, time will be: A) 448 B) 450 C) 480 D) 500

Jane is x years old today. her brother kenny is 4 years older. after 7 years, their combined age will be 24 years. write a linear equation for their total combined age after 7 years.