How to solve this problem - 0.3 + r equals 4.7

A triangular prism has edges 5cm, 6cm, and 8cm long. It's lateral area is 456cm^2. What Is the height of the prism?

The length of the reading is 9 feet. What is the width of the reading area?

If $1 buys 100 credits, how many credits would $180 buy?

Round to the nearest hundredth 9.122

When rounded to the nearest whole number which decimals round to 9?

The larger of two numbers is six less than twice the smaller number. If the sum of the numbers is 42, find the numbers.

What is the range of the data set? 39, 44, 44, 49, 62, 55, 57, 30, 40

What is the relationship between a reflection and a rigid motion?

Which of the following ratios is not equivalent to 6:10

What does it mean when there is no coefficient of the variable . there is an error in the equation c. the implied coefficient is 1 b. the coefficient is zero d. the coefficient is negative