140 is 70% of what number in a proportion

G (x) = - 4x + 5, find g (5).

What is the average rate of change from x=-1 to x=-2

city has 3 new houses for every 7 old houses. If there are 27 new houses in the city, how many old houses are there?

Jorge is 1 year younger than his brother. The sum of their ages is no less than 25 years. Enter an inequality that can be used to represent this situation in the first box, where x represents Jorge's brother's age.

The length of a rectangle is four times the width. The perimeter of the rectangle is 45 inches. Write a system of equations that represents this problem. What is the area of the rectangle?

The function f (x) is an even polynomial function with a negative leading coefficient. The graph of f (x) has an axis of symmetry at x = - 2. Which statement describes the graph of - f (x - 3) ? A.

319.809 round it to nearest hundredth

solve by elimination 6x-7y=8 - x-4y=-9

Which of the pairs of ratios are equivalent? A) 12: 24, 50 : 100 B) 16 to 3,27 to 5 C) 22/1, 68/3 D) 3/7, 17/35

9. Your school offers two English classes, three math classes and three history classes. You want to take one of each class. How many different ways are there to organize your schedule?