Solve the formula for the specified variable.T = ?R2 + ?Rs for s
A. s = T - R
B. s = 
C. s = ?(T - R)
D. s = 
- 1
Answer: B
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Solve.Linda and Dave leave simultaneously from the same starting point biking in opposite directions. Linda bikes at 6 miles per hour and Dave bikes at 9 miles per hour. How long will it be until they are 30 miles apart from each other?
A. 
hr
B. 2 hr
C. 10 hr
D. 
hr
Simplify the algebraic expression by combining similar terms.0.2 (x - 2) + 0.7 (x + 7) - 0.1x
A. 0.8x + 4.3 B. 0.8x + 4.5 C. 0.8x + 4.1 D. 0.8x + 4.6 E. 0.8x + 4.8
Solve the problem.The path of a projectile fired at an inclination ? (in degrees) to the horizontal with an initial speed v0 is a parabola. The range R of the projectile, that is, the horizontal distance that the projectile travels, is found by using the formula R = 
sin(2?)where g is the acceleration due to gravity. The maximum height H of the projectile is H = 
(1 - cos(2?))Find the range R and the maximum height H in terms of g if the projectile is fired with an initial speed of 200 meters per second at an angle of 15° and then at an angle of 22.5°. Do not use a
calculator, but simplify the answers. What will be an ideal response?
Find the product and simplify.
? 
A. 
B. 
C. 
D. 1