Which of the following represents the line of symmetry of the parabola represented by the equation x2 - 10x + 21 = 0?

A. x = 3

B. x = 2

C. x = 4

D. x = 5

Which value of n makes this equation true? n-3/7 + 4 = 4 a. 7/3 b. 3/7 c.-713 d.-4

Which ratio is proportional to 18/21? A. 1/3 B. 2/3 C. 36/48 D. 30/35

All natural (counting) numbers are a subset of integers true or false

The circumference of a 8in circle

The total cost for 1 adult ticket and 3 child's tickets if the adult fare is 540.00 and the child fare is two thirds of the adult fare

Which word problem can best be represented by the fraction 5-8

The price of a car is usally £12,500 it is reduce to £11,625 what is the percentage of the reduction

An expression is shown as 3•3•3•3•3 answer for this and Part A: an equivalent form of the expression is given as, where a is constant. What is the value of a 3^a Part B:what is the simplified value of the given expression

A city is in the shape of a rectangle. in 1995 the width of the city was 5 miles and the length of the city was 7 miles. the width of the city is growing at a rate of 1 mile in 8 years.

Compare how you would model and record finding the sum and difference of two rocks weighing 2/8 pound and 3/8 pound.