How do I find sin^-1 (cos (pi))

The variable z varies jointly with x and y. Also z=-75 when x=3 and y=-5

A square field has an area of 10 square miles. What is the approximate length, to the nearest thousandth, of one side of this field? 2.5 miles

What is the measure of the missing angle? 85 60° 25 35

Each list shows the interior angle measures of a quadrilateral. Which set of measures describes a quadrilateral that cannot be inscribed in a circle? 69°, 103°, 111°, 77° 52°, 64°, 128°, 116° 42°, 64°, 118°, 136° 100°, 72°, 80°, 108°

A bag of sweets contains only two different flavours - strawberry and orange The probability that a sweet is strawberry flavour is 0.8 What is the probability that a sweet is orange flavour?

Gary buys a 3 1/2 pound bag of cat food every three weeks. gary feeds his cat the same amount of food each day. which expression can gary use to determine the number of pounds of cat food his cat eays each year?

Adriana uses 1 1/4 cups of pretzels for every 1/2 cup of raisins when making a snack mix. What is the number of cups of pretzels Adriana uses for 1 cup?

What is a sum for 4/3.

The average adult working male spends approximately $60 per week on a moderate cost healthy diet plan. The average cost for 3 fast food meals per day is approximately $20. On average, what can you save per week with the healthy diet plan?

If the probability of a chance event is 0.82 it is more likely to happen than which of the following probabilities of another chance event? A) 0.9 B) 0.85 C) 0.8