One-fifth of Ruby's skipping rope is 30cm. How long is Ruby's skipping rope

Are all triangles similar

A pork roast22 was taken out of a hardwood smoker when its internal temperature had reached 180◦F and it was allowed to rest in a 75◦F house for 20 minutes after which its internal temperature had dropped to 170◦F.

After the data was recorded, Mary gives her latest book a rating of 1 star. How will this new rating affect the mean rating of her books? The mean book rating will not change.

Courtney takes 2.4 * 10^4 steps during her long-distance run. Each step covers an average of 810 mm. What total distance (In mm) did Courtney cover during her run? write your answer in scientific notation.

What adds up to 2 and multiplys to 4

Find the sine, cosine, and tangent of 360 degrees

Use the quadratic formula to determine the exact solutions to the equation. 6x2+4x-3=0

What is the equivalent ration for 12/30

Rewrite the conditional statement in if-then form. 2x+7=1, because x=-3

Find last year's salary if, after a 4% pay raise, this year's salary is $36,920.