Witch ones are mathematical sentences?

5g=9

4x

8r=12

R+7=4

34

X=1

The sum of two numbers is 20. one number is three times as large as the second number. what are the two numbers? which let statement would you use?

Each item shows how much a retailer pays for different items and what the items sell for in the store. Which items is Less than 25% or Greater than 25% (discount) A.) Bracelet cost:$15 selling price: $19.25 B.) Greeting Card cost:$1.

What is the unit rate for $1.25 every half hour?

How can the graph of f (x) = 1/2 (x+3) ^2 - 3 be obtained from the graph of y=x^2

In how many ways can 12 basketball players be listed in a program? A. 12 B. 479,001,600 C. 665,280 D. 1

The side lengths of triangle RST are 5, 12, and 13. Which set of ordered pairs form a triangle that is congruent to triangle RST?

Write an inequality that represents the description and then solve. Dave has $15 to spend on an $8 book and two birthday cards (C) for his friends. How much can he spend on each card if he buys the same card for each friend?

How many terms are in the arithmetic sequence - 27, - 16, - 5, ..., 292? Hint: a_n=a_1+d (n-1), where a_1 is the first term and d is the common difference

Rachel invested $15,000 in a nine-year CD giving 8.5% interest, but needed to withdraw $4,000 after two years.

What temperature is equivalent to 373 k? a. 0 °c b. 50 °c c. 100 °c d. 373 °c