Does the phrase describe quantity or rate? 10 coins
A) quantity
B) rate
C) neither
D) both
A) quantity
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Simplify the given expression.5 + 2(4t + 3)
A. 2t + 8 B. 8t + 11 C. 5t + 8 D. 2t + 11
Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a degree.sin x = 4 cos x
A. { 14.0°, 346.0°} B. { 76.0°, 256.0°} C. { 76.0°, 284.0°} D. { 14.0°, 194.0°}
Provide an appropriate response.(a) Graph the curves r = 
and r = 
.(b) Find polar coordinates of the points of intersection of the curves in part (a).(c) Show that at the points of intersection the tangent lines to the curves are perpendicular to each other.
What will be an ideal response?
Use a double-angle identity to find the exact value of the expression.2 cos2 75° - 1
A. - 
B. 
C. - 
D. 