If 13 key chains cost $38.35, what is the cost of 20 key chains?

What is the answer to 2y < - 4

Sam used his calculator to find the answer and wrote down cos 1.75 = 0.999. Does this seem like a reasonable answer to you? What might he have done wrong on his calculator?

Angelica's bouquet of a dozen roses contains 5 white roses. The rest of the roses are pink. What fraction of the bouquet is pink roses? There are 12 roses in a dozen.

What's 37.63 rounded to the nearest tenth

A rectangle has an area of 4x + 6. If the width is 2, what is the length?

A toy rocket is shot vertically into the air from a launching pad 8 feet above the ground with an initial velocity of 80 feet per second.

Evaluate the expression for the given values & variables: - k2 - (3k - 5n) + 4n; k = - 1 and n = - 2

Problem situation: Anna is at the movie theater and has $35 to spend. She spends $9.50 on a ticket and wants to buy some snacks. Each snack costs $3.50. How many snacks, x, can Anna buy? Inequality that represents this situation: 9.50+3.

Simplify the expression 4p-5 (p-6)

What does : > mean when texting someone?