Simplify the expression by combining like terms, if possible.6x - 5 + 4x + 3
A. 2x - 2
B. 8x
C. 10x - 2
D. 8
Answer: C
You might also like to view...
Solve the problem.The perimeter of a rectangle is six times the width. If the length were increased by 4 inches and the width by 7 inches, the perimeter would be 160 inches. What is the width?
A. 23 in. B. 69 in. C. 138 in. D. 46 in.
Solve the problem.Since 2000, when 240,000 cases were reported, each year the number of reported cases of West Nile flu has decreased by 10%. How many reported cases of this flu will be reported in 2005? Round your answer to the nearest thousand.
A. 142,000 B. 157,000 C. 239,000 D. 120,000 E. 190,000
The number of homes with digital TVs is expected to grow according to the function
?
?
where t is measured in years, with t = 0 corresponding to the beginning of 2000, and f(t) is measured in millions of homes.
?
Round your answers to the nearest whole number.
?
How many homes had digital TVs at the beginning of 2000?
?
__________
?
How many homes will have digital TVs at the beginning of 2005?
?
__________
What will be an ideal response?
Find the center and radius of the circle with the given equation. x2 + (y + 9)2 = 4
A. Center (-9, 0), r = 2 B. Center (0, -9), r = 2 C. Center (0, -9), r = 4 D. Center (-9, 0), r = 4