The sum of the digits of a certain two digits number is 7. reversing its digit increases by nine what is the number

A quadratic equation of the form 0=ax2+bx+c has a discriminant value of - 16. How many real number solutions does the equation have? A.-1 B. 0 C. 1 D. 2

What is the relationship between the ratios? 5/8 and 8/10 Drag and drop to complete the statement. The ratios are: proportional Or not proportional

3/4 of the turtles in the aquarium are females. 1/3 of them are pregnant. What fraction of the turtles in the aquarium are pregnant?

How many different ways can a race with 8 runners be completed?

Ava is 23 cm taller than olivia, and olivia is half the height of Lucas. if Lucas is 1.78 m tall, how tall are Ava and olivia? express their heights in centimeters

What's the greatest common factor of 21 and 33?

Jackson and Israel are going out. Jackson rent a paddle boat that has a flat fee of $10 and $2 every hour after that. Israel rent out a small motorboat coast $4 initially and then $3 every hour after that.

If each student stirred for 25 seconds, what is the total number of seconds that all 25 students stirred?

How to factor 2p^4+9p^3-18p^2

When 23 is subtracted from the square root of three times a number, the result is 16. find the number?