Question 15 Which of the following are equivalent to this expression?
5 (ft – 7.56 +63) – Ž (ft – 5r+62)
A
Select ALL that apply
6t – (45r + 408)
6(t – 5r+68)
6(t – 5r +37)
B
C
D
-(-6t + 30r – 222)

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.