What is the value of 13x^-3 y^-1 for x=-1 and y=4

A company logo is a rhombus with 4 cm sides and angles of 60 and 120. Find the angle measures and side lengths if the logo changes as followed

Add : 12/81 + 17/81 + 15/81

What is y+2=-4 (X-6) in Ax+By=C form

6 groups of 1/3 what are the groups

A 98% confidence interval for a proportion is found to be (0.72, 0.78). What is the margin of error? O A. 0.02 B. 0.06 O C. 0.03 O D. 0.04

5 Connie is working to earn $200. She earns $25 mowing her grandmother's lawn and $60 for a day of housecleaning. Which decimal represents the part of the money Connie still needs to earn and why? A 0.575 B 0.115 C 0.425 D 0.85

A farmer sells 9.7 kilograms of apples and pears at a farmer's market. 1/4 of the weight is apples and the rest is pears. How many kilograms of pears did she sell at the farmer's market What is the fraction

An penguin is 45 inches tall. It is 24 inches taller than a rockhopper penguin. Write and solve an equation to find the height of a rockhopper penguin. Is your answer reasonable? Explain.

Kyra observed that 85% of the students at a library liked reading mystery stories. If 30 students at the library did not like reading mystery stories, the number of students at the library who liked mystery stories was.

Two lines intersect and two of the vertical. angles measure 37 what is the measure of the other two vertical angles