Solve.Mary and her brother John collect foreign coins. Mary has three times the number of coins that John has. Together they have 120 foreign coins. Find how many coins Mary has.
A. 90 coins
B. 84 coins
C. 30 coins
D. 18 coins
Answer: A
Mathematics
You might also like to view...
Graph the linear inequality.x + 3y ? -5
A. 
B. 
C. 
D. 
Mathematics
Use the coordinates of the indicated points to find the slope of the line.
A. - 
B. 3
C. 
D. -3
Mathematics
Find the standard form of the equation of the ellipse with the given characteristics.
foci: (–2, 6), (–2, 10)
endpoints of the major axis: (–2, –1), (–2, 17)
a. 
b. 
c. 
d. 
e. 
Mathematics
Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex: (-5, -3) passing through: (-2, 24)
A. y = -3x2 + 30x + 3 B. y = -2x2 - 30x - 72 C. y = 3x2 + 5x + 3 D. y = 3x2 + 30x + 72
Mathematics