3oh 3 symbols

The circumference of a circle is 2 π r . Find the circumference of the circle, when the radius r is equal to 2. => 4 π or 6 π or 3 π or 5 π..

Choose an appropriate symbol to balance the expression. ( 3 ⋅ 2 ) 5 __________ ( 2 2 ) 5 =>≤ or = or < or >..

Educational survey reports that the variance of the time spent per day on reading or doing homework of the high school students is less than 0.58 hours. A teacher collected the time (in hours) spent by 20 students as shown. 2 1.7 3.2 2.5 1 1.2 1.8 0.8 1.4 1.8 2.1 2.4 1.5 1.6 2 1.6 1...

Find the solution set of 6( t - 3) - 5( t - 3) > 4 and 4(2 t - 1) - 2(2 t - 3) < 14 => f or { t : t > 4 or t < 14} or { t : 3 < t < 7} or { t : 4 < t < 14}..

Solve for z : 2(2 z + 3) + 3( z - 1) ≤ 38 or 3( z - 2) - 5 > 8 - 2( z - 4) => { z : z < - 2 or z ≥ 4} or f or { z : z ≤ 5 or z > 5.4} or { z : 8 < z ≤ 38}..

Find the solution set of 4( w - 2) - 8 > 12 or 8 + 3(2 - w ) > 32 . => { w : w < - 6 or w > 7} or f or { w : 12 < w < 32} or { w : w < 2 or w > 3}..

Solve for y : y 9 + y 3 < 0 or y 1 4 - y 2 1 ≥ 2 => { y : y < 0 or y ≥ 2} or { y : y < 0 or y ≥ 84} or { y : 0 < y ≤ 2} or f..

What are the exterior angles in the figure? => 1, 2, 11 and 12 or 1, 2, 8 and 7 or 11, 12, 3 and 4 or 2, 4, 11 and 9..

The lines l and m are parallel. Which of the following is a pair of adjacent supplementary angles? => 2 and 7 or 4 and 3 or 4 and 2 or 2 and 5..

The line l is parallel to the line m . Use the figure to find the congruent interior angles. => 1, 7 and 2, 8 or 4, 5 and 3, 6 or 1, 8 and 2, 7 or 4, 6 and 3, 5..