Anja is creating a triangle using 3 straws. the 2 shorter straws have lengths of 20cm and 21cm. how long, in centimeters, should the third straw be for anja to create a right triangle

What is the simplified expression for 6(2(y+x))

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is