There were 40 students enrolled in the school photography club in the fall and 28 students enrolled in the spring. What is the percent decrease in the number of students enrolled in the photography club?

-30%

Step-by-step explanation:

40 in fall, 28 in spring.

Percentage: p=(28-40)/40×100=

-12/40×100=-12/4×10=-30%

The minus sign indicates 'decrease'.

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

sorry i just need to anwers this to get points

step-by-step explanation: