What is the probability of selecting the 4 of spade or black diamond from a deck of 52 playing cards?

a) 2/52

b) 4/52

c) 3/52

d) 1/5

Which of the following is a monomial? A. 2xyz2 B. 2 + xyz C. 2x + yz D. 2x - yz

How many feet per minute faster is 27 speed than 31.8 speed?

What is the GCF for 21

Purchase 7 servings of yogurt each serving of yogurt weighs 1/4 pounds write an improper fraction as a mixed number to show the total pounds of yogurt Hilary purchased

Let v be a subspace ofrnand v1, v2, ..., vma set of vectors in v. suppose every vector in v may beexpressed as a linear combination of v1, v2, ..., vm. then: (a) v1, v2, ..., vmspanrn. (b) v1, v2, ..., vmare linearly dependent. (c) v1, v2, ...

In a coordinate plane, what is the distance between (4,-8) and (4, - 12) ?

A printing company orders paper from two different suppliers. Supplier X charges $25 per case. Supplier Y charges $20 per case. The company needs to order at least 45 cases per day to meet demand and can order no more than 30 cases from Supplier X.

If 20% of x is 28, what is 70% of x?

What is the value of 3x-8 when x=4?

If the bucket was 4/5 full at the beginning of the day and 1/5 full at the end of the day, by what fraction of the bucket did the water level decrease?