Teresa has to buy school supplies for her 2 children, and wants to estimate the total cost of the school supplies. she knows that: each child needs a backpack, a binder, 6 spirals, and 4 pens. the most expensive backpack is $57.00 dollars. the least expensive backpack is $29.00 dollars. the binders cost $4.00 each. the spirals cost $1.95 for three. the pens cost $0.48 each. there is 10% sales tax on her total purchase. estimate how much money the school supplies will cost.
a. $212.00 b. $232.00 c. $58.00 d. $116.00

Design a number line containing five (5) points2.benin, one of the smallest countries in africa, has a total area of 43,475 square miles. the population of the country was recently estimated at 10,160,555. about 3,657,790 people live in rural areas. the country has only about 870 miles of surfaced roads. a. round off the total population to the nearest hundred thousand people. b. round off benin’s area in square miles to the nearest thousand. c. round off the number of miles of surfaced roads to the nearest ten. d. round off the number of people who live in rural areas to the nearest million.

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2