1.5÷60=0.025 per second
30÷0.025=1200 second
1200÷60 =20 hours
20 hours
Which shape can be classified as a rectangle? (2 points)
a
Rhombus
Сь
Square
c
Trapezoid
d
Parallelogram
Solve the system of equations by substitution.
(16/7, 19/7)
(-4/3, 19/3)
no solution
coincident