Solve the system of equations by substitution.
A. (7, 0)
B. (0, -7)
C. (1, -8)
D. no solution
Answer: B
You might also like to view...
Give the genus of the object.The letter T
A. Genus 1 B. Genus 0 C. Genus 2 D. Genus 3 or more
Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = sin 4t + 20, v(0) = - 
, s(0) = 9
A. s = - 
sin 4t + 10t2 + 9
B. s = - 
sin 4t - 10t2 + 9
C. s = - 
cos 4t + 10t2 + 9
D. s = 
cos 4t + 10t2 + 9
Solve the problem. Round to one decimal place if needed.If a tree 42.5 feet tall casts a shadow that is 17 feet long, find the height of a tree casting a shadow that is 9 feet long.
A. 34.5 ft B. 80.3 ft C. 3.6 ft D. 22.5 ft
Attending concerts is a favorite form of entertainment for many people. The graph shows concert attendance gradually increased from 1994 to 2004 for concerts at a small town's outdoor concert venue. In 1994, the average attendance was 935, as represented by the point src="https://sciemce.com/media/4/ppg__tttt0623191144__f1q88g3.jpg" alt="" style="vertical-align: 0.0px;" height="213" width="361" />The line segment has an equation that can be written in the form y = ax + b. Use the coordinates of point P with 
In 2004, the average attendance was 2350, as represented by the point 
We can find an equation of the line segment PQ using a system of equations, and then we can use the equation to approximate the attendance in any of the years between 1994 and 2004. 
and 
, write an equation in the variables a and b.
A. y = 2004a + b
B. 2350 = 2004a + b
C. 2004 = 2350a + b
D. y = 2350a + b