Which function is a quadratic function?

u (x) = - x + 3x2 - 8

v (x) = 2x2 + 8x3 + 9x

y (x) = x2 + 3x5 + 4

z (x) = 7x2 + 2x3 - 3

How to find the number of degrees in a triangle?

Assignment Active Calculating an Unknown Measure A cone and a triangular pyramid have a height of 9.3 m and their cross-sectional areas are equal at every level parallel to their respective bases.

can someone tell me what the difference between the less than or less than or equal to sigh and the greater than or greater than or equal to sign is

A new housing development has 2 sections from which to choose. Each section has 4 rows of homes, and each row contains 12 houses. How many different homes are there from which to choose?

Each prize is worth 3 tickets at the game center. How many tickets are needed for 23 prizes?

Melanie got paid $8.40 per hour at her job. Her friend, Chrissy, got paid $8.45 per hour at her job. Who got paid the highest amount per hour

Backtrack 3a+11=29 say the answer

Three divided by a number x

Without shoes, Morgan steps on a scale and weighs exactly 65 pounds. Morgan puts a pair of sneakers and holds a basketball that weighs 23 ounces. Now she weighs 68 1/4 pounds. How much does the shoe weigh? show your work.

Find the length of a rectangular box if the volume is 60 cm3, width 4 cm, and height 2 cm.