Simplify the expression: 4 (2a) + 7 (-4b) + (3b-5)

The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score?

Use substitution to solve the system - 5x+2y=20 and x=3y-17

During a certain 11-year period, the Consumer Price Index (CPI) increased by 55%, but during the next 11-year period, it increased by only 15%. Which of these conditions must have existed during the second 11-year period? A. Stagnation B.

18 students in a sixth grade have brown hair. These students represent 3/4 of the class. How many students are in the class?

I am trying to solve a equation by completing the square the problem is m^2+7m-294=0

Miranda and Savannah are excited that a new store just opened in town! They go together the first day it opens!

The solution to 4.2x = 19.32 is x = ___. 0.28 0.45 4.6 15.12

Richard has a rectangular plot of land that is 525 feet long and y feet wide. He decides to build a fence around the plot. If the perimeter of the plot is 1,504 feet, find the value of y

A circle is defined by the equation: x^2 + y^2 - x - 2y - 11/4 = 0. Determine the coordinates for the center of the circle and the length of the radius.

The auto insurance plans available from Fret-No-More Auto Insurance are outlined in the table below. To be considered "full" coverage, an insurance plan must include one level of coverage from each category.