Which of the following groups of measurements will form a triangle? a.30°, 60°, 80°
b.20°, 90°, 90°
c.45°, 55°, 80°
d.3.5 in., 3.5 in., 7 in.

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625

Bocephus has a bag full of nickels and dimes. if there are 3 times as many dimes as nickels, and he has $\$36.05$ in his bag, how many nickels does he have?